Add 15/12 and 70/49, Solve 1 3/12 + 1 21/49 as a fraction

Add 15/12 and 70/49

1^st number: 1 3/12, 2^nd number: 1 21/49

15/12 + 70/49 is 75/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
15/12 = 15 × 49/12 × 49 = 735/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
70/49 = 70 × 12/49 × 12 = 840/588
Add the two like fractions:
735/588 + 840/588 = 735 + 840/588 = 1575/588
1575/588 simplified gives 75/28
So, 15/12 + 70/49 = 75/28
In mixed form: 219/28

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