Add 72/15 and 27/7, Solve 4 12/15 + 3 6/7 as a fraction

Add 72/15 and 27/7

1^st number: 4 12/15, 2^nd number: 3 6/7

72/15 + 27/7 is 303/35.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
72/15 = 72 × 7/15 × 7 = 504/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
27/7 = 27 × 15/7 × 15 = 405/105
Add the two like fractions:
504/105 + 405/105 = 504 + 405/105 = 909/105
909/105 simplified gives 303/35
So, 72/15 + 27/7 = 303/35
In mixed form: 823/35

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