Question

what should be added to 7 whole
4 upon 15 to get 8 whole 2 upon 5​

Answer 1

7whole4/15 = 109/15

8whole2/5 = 42 /5

let the added number is =x

then according to question

109/15 +x= 42/5

x = 42/5 -109/15

x = (126-109) /15

x = 15/15

x =1
so the added number is 1
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Hope it help you mark as brainlist plz

Answer 2

let x be added

then,

$7 \frac{4}{15} + x = 8 \frac{2}{5}$

$x = 8 \frac{2}{5} - 7 \frac{4}{15}$

$x = \frac{42}{5} - \frac{109}{15}$

x= 1