Add 25/15 and 42/49, Solve 1 10/15 + 42/49 as a fraction

Add 25/15 and 42/49

1^st number: 1 10/15, 2^nd number: 42/49

25/15 + 42/49 is 53/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735

Next, find the equivalent fraction of both fractional numbers with denominator 735
For the 1st fraction, since 15 × 49 = 735,
25/15 = 25 × 49/15 × 49 = 1225/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
42/49 = 42 × 15/49 × 15 = 630/735
Add the two like fractions:
1225/735 + 630/735 = 1225 + 630/735 = 1855/735
1855/735 simplified gives 53/21
So, 25/15 + 42/49 = 53/21
In mixed form: 211/21

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