分数加减法口算计算练习500道

分数加减法口算计算练习500道分数运算作为小学数学的重要组成部分，是培养数感与运算能力的基础。本次练习涵盖同分母分数的加减运算与异分母分数的加减运算，旨在通过系统训练提升口算速度与准确率。练习时建议结合分数的基本性质，先观察分母特征，再选择合适的计算策略，确保每道题都能清晰呈现计算过程（即使是口算也要在脑海中完成通分、约分等步骤）。请同学们准备好草稿纸，保持专注，逐步攻克每一道题，相信坚持练习后，分数运算能力定会有所突破。一、同分母分数加减法（一）同分母分数加法1.1/4+2/4=2.3/5+1/5=3.2/7+4/7=4.5/8+2/8=5.1/6+5/6=6.3/9+4/9=7.2/10+3/10=8.4/11+5/11=9.1/3+1/3=10.5/12+6/12=11.3/7+3/7=12.2/5+2/5=13.4/9+2/9=14.1/8+7/8=15.5/10+4/10=16.3/11+7/11=17.2/6+3/6=18.4/8+3/8=19.1/5+3/5=20.5/7+1/7=21.3/12+5/12=22.2/9+6/9=23.4/10+5/10=24.1/7+6/7=25.5/11+4/11=26.3/8+3/8=27.2/4+1/4=28.4/6+1/6=29.1/9+5/9=30.5/12+7/12=31.3/5+3/5=32.2/8+5/8=33.4/7+2/7=34.1/10+9/10=35.5/9+3/9=36.3/12+8/12=37.2/11+8/11=38.4/5+1/5=39.1/7+2/7=40.5/8+3/8=41.3/6+3/6=42.2/9+3/9=43.4/12+5/12=44.1/8+3/8=45.5/10+5/10=46.3/7+4/7=47.2/12+6/12=48.4/11+6/11=49.1/5+4/5=50.5/6+1/6=51.3/9+5/9=52.2/8+2/8=53.4/10+4/10=54.1/11+10/11=55.5/7+2/7=56.3/8+5/8=57.2/6+4/6=58.4/9+4/9=59.1/12+11/12=60.5/5+0/5=61.3/10+7/10=62.2/7+5/7=63.4/8+4/8=64.1/9+8/9=65.5/11+6/11=66.3/5+2/5=67.2/10+8/10=68.4/7+3/7=69.1/8+5/8=70.5/9+4/9=71.3/11+3/11=72.2/5+3/5=73.4/12+8/12=74.1/6+2/6=75.5/8+4/8=76.3/7+2/7=77.2/9+7/9=78.4/10+6/10=79.1/12+5/12=80.5/6+2/6=81.3/8+4/8=82.2/11+3/11=83.4/5+3/5=84.1/7+5/7=85.5/10+3/10=86.3/9+6/9=87.2/12+8/12=88.4/8+5/8=89.1/5+2/5=90.5/7+3/7=91.3/10+3/10=92.2/6+2/6=93.4/11+5/11=94.1/9+2/9=95.5/12+4/12=96.3/6+4/6=97.2/8+6/8=98.4/9+5/9=99.1/11+5/11=100.5/8+1/8=（二）同分母分数减法101.3/4-1/4=102.5/6-2/6=103.7/8-3/8=104.4/5-1/5=105.6/7-4/7=106.9/10-5/10=107.5/9-2/9=108.8/11-3/11=109.3/7-1/7=110.10/12-6/12=111.6/8-2/8=112.4/6-3/6=113.7/9-4/9=114.5/10-2/10=115.9/12-5/12=116.8/11-5/11=117.4/5-2/5=118.7/7-3/7=119.6/9-3/9=120.10/10-6/10=121.5/8-1/8=122.8/12-4/12=123.6/11-2/11=124.9/13-4/13=125.4/7-2/7=126.11/12-7/12=127.7/8-4/8=128.5/9-3/9=129.8/10-3/10=130.6/12-1/12=131.9/11-6/11=132.5/6-3/6=133.7/9-5/9=134.4/8-1/8=135.10/11-7/11=136.8/12-6/12=137.6/7-2/7=138.9/10-3/10=139.5/11-1/11=140.7/8-5/8=141.4/6-1/6=142.8/9-2/9=143.12/12-8/12=144.6/10-4/10=145.9/13-6/13=146.5/7-3/7=147.10/11-5/11=148.8/9-5/9=149.7/12-3/12=150.6/8-4/8=151.4/5-3/5=152.9/12-6/12=153.7/10-2/10=154.5/11-4/11=155.8/13-5/13=156.6/9-4/9=157.10/14-6/14=158.7/8-2/8=159.5/7-1/7=160.9/10-7/10=161.4/12-1/12=162.8/11-2/11=163.6/13-3/13=164.11/15-5/15=165.7/9-2/9=166.5/8-4/8=167.10/12-8/12=168.4/6-2/6=169.9/11-4/11=170.6/7-5/7=171.8/10-6/10=172.5/12-2/12=173.7/11-3/11=174.12/13-7/13=175.9/14-5/14=176.6/8-3/8=177.4/9-1/9=178.10/15-7/15=179.8/12-3/12=180.5/10-1/10=181.7/13-4/13=182.9/15-6/15=183.6/11-4/11=184.4/8-3/8=185.11/12-9/12=186.5/9-1/9=187.8/14-4/14=188.7/10-5/10=189.6/12-4/12=190.9/16-5/16=191.4/7-1/7=192.10/13-8/13=193.7/12-5/12=194.5/11-3/11=195.8/15-3/15=196.6/14-2/14=197.9/10-4/10=198.4/11-1/11=199.7/13-5/13=200.5/12-3/12=二、异分母分数加减法（一）异分母分数加法201.1/2+1/3=202.1/4+1/5=203.2/3+1/6=204.3/5+1/4=205.1/2+3/8=206.2/5+1/3=207.3/7+1/2=208.1/6+2/9=209.4/5+1/6=210.1/3+3/7=211.2/7+3/5=212.3/8+1/4=213.5/6+1/3=214.1/5+2/7=215.3/4+1/6=216.2/9+1/2=217.4/7+2/5=218.1/8+3/10=219.5/9+1/3=220.2/3+3/5=221.3/10+1/4=222.1/7+4/9=223.5/8+2/5=224.2/5+3/8=225.4/11+1/2=226.1/3+1/5=227.3/7+2/3=228.5/12+1/4=229.2/7+1/6=230.5/8+1/6=231.3/5+2/7=232.1/4+3/7=233.4/9+1/5=234.2/3+1/8=235.5/7+1/5=236.3/10+2/5=237.1/6+3/8=238.4/5+3/7=239.2/9+3/4=240.5/11+3/5=241.1/2