Add 42/6 and 72/63, Solve 7 0/6 + 1 9/63 as a fraction

Add 42/6 and 72/63

1^st number: 7 0/6, 2^nd number: 1 9/63

42/6 + 72/63 is 57/7.

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,
42/6 = 42 × 21/6 × 21 = 882/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
72/63 = 72 × 2/63 × 2 = 144/126
Add the two like fractions:
882/126 + 144/126 = 882 + 144/126 = 1026/126
1026/126 simplified gives 57/7
So, 42/6 + 72/63 = 57/7
In mixed form: 81/7

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