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

Add 42/49 and 70/9

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

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

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

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

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