Add 72/15 and 28/49, Solve 4 12/15 + 28/49 as a fraction

Add 72/15 and 28/49

1^st number: 4 12/15, 2^nd number: 28/49

72/15 + 28/49 is 188/35.

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,
72/15 = 72 × 49/15 × 49 = 3528/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
28/49 = 28 × 15/49 × 15 = 420/735
Add the two like fractions:
3528/735 + 420/735 = 3528 + 420/735 = 3948/735
3948/735 simplified gives 188/35
So, 72/15 + 28/49 = 188/35
In mixed form: 513/35

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