Add 40/15 and 7/63, Solve 2 10/15 + 7/63 as a fraction

Add 40/15 and 7/63

1^st number: 2 10/15, 2^nd number: 7/63

40/15 + 7/63 is 25/9.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 15 × 21 = 315,
40/15 = 40 × 21/15 × 21 = 840/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315
Add the two like fractions:
840/315 + 35/315 = 840 + 35/315 = 875/315
875/315 simplified gives 25/9
So, 40/15 + 7/63 = 25/9
In mixed form: 27/9

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