Add 25/15 and 3/63, Solve 1 10/15 + 3/63 as a fraction

Add 25/15 and 3/63

1^st number: 1 10/15, 2^nd number: 3/63

25/15 + 3/63 is 12/7.

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,
25/15 = 25 × 21/15 × 21 = 525/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
3/63 = 3 × 5/63 × 5 = 15/315
Add the two like fractions:
525/315 + 15/315 = 525 + 15/315 = 540/315
540/315 simplified gives 12/7
So, 25/15 + 3/63 = 12/7
In mixed form: 15/7

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