Add 70/9 and 42/63, Solve 7 7/9 + 42/63 as a fraction

Add 70/9 and 42/63

1^st number: 7 7/9, 2^nd number: 42/63

70/9 + 42/63 is 76/9.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 9 × 7 = 63,
70/9 = 70 × 7/9 × 7 = 490/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
42/63 = 42 × 1/63 × 1 = 42/63
Add the two like fractions:
490/63 + 42/63 = 490 + 42/63 = 532/63
532/63 simplified gives 76/9
So, 70/9 + 42/63 = 76/9
In mixed form: 84/9

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