Add 30/63 and 21/14, Solve 30/63 + 1 7/14 as a fraction

Add 30/63 and 21/14

1^st number: 30/63, 2^nd number: 1 7/14

30/63 + 21/14 is 83/42.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126
Add the two like fractions:
60/126 + 189/126 = 60 + 189/126 = 249/126
249/126 simplified gives 83/42
So, 30/63 + 21/14 = 83/42
In mixed form: 141/42

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