Add 70/9 and 42/49, Solve 7 7/9 + 42/49 as a fraction

Add 70/9 and 42/49

1^st number: 7 7/9, 2^nd number: 42/49

70/9 + 42/49 is 544/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 9 × 49 = 441,
70/9 = 70 × 49/9 × 49 = 3430/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
42/49 = 42 × 9/49 × 9 = 378/441
Add the two like fractions:
3430/441 + 378/441 = 3430 + 378/441 = 3808/441
3808/441 simplified gives 544/63
So, 70/9 + 42/49 = 544/63
In mixed form: 840/63

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