`5/8+14/24 = 15/24+14/24 =19/24`
`4/25+3/5=4/25 +15/25 = 19/25`
`6/7-5/7=1/7`
`3/4-6/24=3/4-1/4=2/4=1/2`
`11/6-2/3=11/6 - 4/6=7/6`
`3-3/8=24/8-3/8=21/8`
`8/36+4/9=2/9+4/9=6/9=2/3`
`18/15+4/30=6/5+3/15=18/15+3/15=21/15=4/3`
____________________________
`5/8 = 15/24`
`=> 5/8 < 17/24`
bài 1 :
5/8 + 14/24 = 5/8 + 7/12 = 29/24
4/25 + 3/5 = 4/25 + 15/25 = 19/25
6/7 - 5/7 = 1/7
3/4 - 6/24 = 18/24 - 6/24 = 1/2
11/6 - 2/3 = 11/6 - 4/6 = 7/6
bài 2 :
8/36 +4/9 = 2/9 + 4/9 = 8/9
18/15 + 4/30 = 18/15 + 2/15 = 4/3
2/3 + 6/9 = 2/3 + 2/3 = 4/3
bài 3 :
5/8 = 15/24
Mà 15 /24 < 17/24
=> 5/8 < 17/24
`5/8 + 14/24 = 15/24 + 14/24=29/24`
`4/25+3/5= 4/25 + 15/25=19/25`
` 6/7-5/7=(6-5)/7=1/7`
`3/4- 6/24=18/24 - 6/24= 12/24=1/2`
`11/6-2/3= 11/6 - 4/6= 7/6`
`3-3/8=24/24 - 3/24 =21/24=7/8`
` 8/36+ 4/9=8/36 + 16/36=24/36=2/3`
`2/3+ 6/9=6/9 + 6/9=12/9`
`18/15+4/30=36/30 + 4/30= 40/30=4/3`
`5/8` và `17/24`
`5/8=(5xx3)/(8xx3)=15/24` và `17/24`
`=>15/24 < 17/24`