Add 70/63 and 21/49, Solve 1 7/63 + 21/49 as a fraction

Add 70/63 and 21/49

1^st number: 1 7/63, 2^nd number: 21/49

70/63 + 21/49 is 97/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
21/49 = 21 × 9/49 × 9 = 189/441
Add the two like fractions:
490/441 + 189/441 = 490 + 189/441 = 679/441
679/441 simplified gives 97/63
So, 70/63 + 21/49 = 97/63
In mixed form: 134/63

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