Question

3by5 + 5by8 =???????​

Answer 1

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= (3 x 5 )+( 5 × 8 )

= 15 + 40

= 55

55 is the required answer of the given question.

Answer 2

Answer:

3/5+5/8

LCM=5 into 8

=40

=24/40+15/40

=39/40

Therefore 3/5+5/8

=39/40