Add 14/21 and 70/63, Solve 14/21 + 1 7/63 as a fraction

Add 14/21 and 70/63

1^st number: 14/21, 2^nd number: 1 7/63

14/21 + 70/63 is 16/9.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 21 × 3 = 63,
14/21 = 14 × 3/21 × 3 = 42/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
70/63 = 70 × 1/63 × 1 = 70/63
Add the two like fractions:
42/63 + 70/63 = 42 + 70/63 = 112/63
112/63 simplified gives 16/9
So, 14/21 + 70/63 = 16/9
In mixed form: 17/9

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