1.0.98+27%+3/25= 2.0.64+7/50= 3.1 1/2-3/4+2 5/8= 4.2%+2 5/8= 5.2%x3/8:0,8= Tolong ya kak sama caranya juga, trima kasih

1.
0,98 + 27% + 3/25
= 98/100 + 27/100 + 3/25
= 98/100 + 27/100 + 12/100
= 137/100
= 1 37/100

2.
0,64 + 7/50
= 64/100 + 7/50
= 64/100 + 14/100
= 78/100
= 39/50

3.
1 1/2 - 3/4 + 2 5/8
=3/2 - 3/4 + 21/8
= 12/8 - 6/8 + 21/8
= 27/8
= 3 3/8

4.
2% + 2 5/8
= 2/100 + 21/8
= 4/200 + 525/200
= 529/200
= 2 129/200

5.
2% × 3/8 : 0,8
= 2/100 × 3/8 : 8/10
= 1/50 × 3/8 : 4/5
= 1/50 × 3/8 × 5/4
= 15/1600
= 3/320

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