Question

1. 12/15 + 14/40 =
2.15/35+3/14
3.49/60+14/15
4.9/32+5/36
527/30+3/20

Answer 1

1. 12/15 + 14/40

12×40/15×40 + 14×15/40×15

480/600 + 210/600

690÷10/600÷10

69÷3/60÷3

23/20


2. 15/35 + 3/14

15×14/35×14 + 3×35/14×35

210/490 + 105/490

315÷7/490÷7

45÷5/70÷5

9/14


3. 49/60 + 14/15

49×15/60×15 + 14×60/15×60

735/900 + 840/900

1.575÷9/900÷9

175÷5/100÷5

35÷5/20÷5

7/4


4. 9/32 + 5/36

9×36/32×36 + 5×32/36×32

324/1.152 + 160/1.152

484÷4/1.152÷4

121/288


5. 27/30 + 3/20

27×20/30×20 + 3×30/20×30

540/600 + 90/600

630÷10/600÷10

63÷3/60÷3

21/20