Add 72/6 and 15/63, Solve 12 0/6 + 15/63 as a fraction

Add 72/6 and 15/63

1^st number: 12 0/6, 2^nd number: 15/63

72/6 + 15/63 is 257/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
72/6 = 72 × 21/6 × 21 = 1512/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126
Add the two like fractions:
1512/126 + 30/126 = 1512 + 30/126 = 1542/126
1542/126 simplified gives 257/21
So, 72/6 + 15/63 = 257/21
In mixed form: 125/21

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