Question

tính

2/5+1/4      1/3+3/5      1/2+1/4        1/8+5/6

ai lm nhanh e tick cho

Answer 1

`2/5+1/4`

`=8/20+5/20`

`=13/20`

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`1/3+3/5`

`=5/15+9/15`

`=14/15`

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`1/2+1/4`

`=2/4+1/4`

`=3/4`

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`1/8+5/6`

`=6/48+40/48`

`=46/48`

`=23/24`

Answer 2

2/5 + 1/4
= 8/20 + 5/20
= 13/20
1/3 + 3/5
= 5/15 + 9/15
= 14/15
1/2 + 1/4
= 2/4 + 1/4
= 3/4
1/8 + 5/6
= 6/48 + 40/48
= 46/48
= 23/24