Add 10/7 and 21/63, Solve 1 3/7 + 21/63 as a fraction

Add 10/7 and 21/63

1^st number: 1 3/7, 2^nd number: 21/63

10/7 + 21/63 is 37/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 7 × 9 = 63,
10/7 = 10 × 9/7 × 9 = 90/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
21/63 = 21 × 1/63 × 1 = 21/63
Add the two like fractions:
90/63 + 21/63 = 90 + 21/63 = 111/63
111/63 simplified gives 37/21
So, 10/7 + 21/63 = 37/21
In mixed form: 116/21

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