Add 15/18 and 72/14, Solve 15/18 + 5 2/14 as a fraction

Add 15/18 and 72/14

1^st number: 15/18, 2^nd number: 5 2/14

15/18 + 72/14 is 251/42.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126
Add the two like fractions:
105/126 + 648/126 = 105 + 648/126 = 753/126
753/126 simplified gives 251/42
So, 15/18 + 72/14 = 251/42
In mixed form: 541/42

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