2per4+3per16: 7per20+6per30

Jawab:
_______

2/4​​+​ 3/16​​÷​7/20​​+​6/30

1/2​​+​3/16÷​7/20+​6/30

1​​/2 +3/16 x 20/7 + 6/30

1/2 + 3x20/16x7 + 6/30

1/2 + 60/112 + 6/30

1/2 + 15/28 + 1/5

173/ 140

1 33/140

*Terima kasih*