Add 70/15 and 21/49, Solve 4 10/15 + 21/49 as a fraction

Add 70/15 and 21/49

1^st number: 4 10/15, 2^nd number: 21/49

70/15 + 21/49 is 107/21.

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,
70/15 = 70 × 49/15 × 49 = 3430/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
21/49 = 21 × 15/49 × 15 = 315/735
Add the two like fractions:
3430/735 + 315/735 = 3430 + 315/735 = 3745/735
3745/735 simplified gives 107/21
So, 70/15 + 21/49 = 107/21
In mixed form: 52/21

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