分数加减法带答案

分数加减法带答案文档编制序号：[KK8UY-LL9IO69-TTO6M3-MTOL89-FTT688]

注：/前面的为分子,后面的为分母,如1/2是二分之一5/6-2/9=11/182/3+3/5=19/156/7-1/2=5/14

2/3-3/5=1/156/7+1/2=19/142/3+1/6=5/6

1/5+1/7=12/351/4+1/9=13/361/3+1/4=7/121/4-1/9=5/361/3-

1/4=1/121-2/5=3/5

1/8+1/9=17/721/8-1/9=1/721-5/9=4/91/10+7/9=79/901/5-

1/7=2/355/7-1/6=23/42

1/5+3/8=23/402/3-3/5=1/55/8-1/9=37/72

1/10-

1/20=1/201/6+3/8=13/241/2+1/3=5/63/4+1/5=19/205/6+1/18=8/92/3+1 /4=11/125/9-1/2=1/183/5-1/3=4/151-2/3=1/3

17/15-1/3=4/511/12-2/3=1/41/2-1/4=1/4

1/7-1/8=1/565/6-1/2=1/35/8-1/6=11/24

1/3+1/6=1/23/4-1/2=1/41/5+1/8=13/40

5/9-2/5=7/451/3-1/9=2/95/6+4/9=23/18

3/7+5/2=41/145/8+9/10=61/4011/12-8/15=23/601/4+1/6=5/121/4-

1/6=1/127/8-1/4=5/8

11/12-2/3=1/43/10+2/5=7/103/4+5/12=7/6

5/4-5/12=5/611/62/9=29/181/5-1/9=4/45

1-6/7=1/73/5-3/7=6/351/31/8=5/24

1/5+1/9=14/457/4+1/7=53/284/3+3/2=17/6

1-1/9=8/92/3-2/7=8/211-1/4-2/5=7/20

5/6+1/2=4/34/3-3/4=7/121-4/7=3/7

5/9+18/5=5/64/7+1/6-4/7=1/62-7/9-2/9=1

3/8+7/10+5/8=17/107/8-(1/8+3/4)=03/5+7/8+2/5=15/8 7/9-(1/9+1/3)=1/35/6-3/10+1/6-7/10=01-2/5=3/5

1/4+(2/5+3/4)=7/53/4+1/6-2/3=1/42/3+1/6+1/12=11/12 1-1/3+2/7=20/211/2+4/5-3/10=15/6-(2/3-1/9)=5/18

9/10-(3/4+1/8)=1/401/2+2/3-3/4=5/12

7/8-1/6+1/4=23/241-(3/4-2/9)=17/36

9/10-1/5-1/2=1/51/4+3/7+1/2=33/28

7/8-(2/3+1/6)=1/241-(1/3+3/5)=1/15

1/2+1/4+1/3=13/127/8+1/4+1/2=5/8

5/7-(4/7+1/9)=2/633/4-1/6-1/3=1/4

1-1/4-1/2=1/43/10+1/4+2/5=19/20

1/2+1/9+1/12=25/367/8-1/4+4/9=77/72