Add 8/49 and 84/63, Solve 8/49 + 1 21/63 as a fraction

Add 8/49 and 84/63

1^st number: 8/49, 2^nd number: 1 21/63

8/49 + 84/63 is 220/147.

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

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 49 × 9 = 441,
8/49 = 8 × 9/49 × 9 = 72/441
Likewise, for the 2nd fraction, since 63 × 7 = 441,
84/63 = 84 × 7/63 × 7 = 588/441
Add the two like fractions:
72/441 + 588/441 = 72 + 588/441 = 660/441
660/441 simplified gives 220/147
So, 8/49 + 84/63 = 220/147
In mixed form: 173/147

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