Add 70/49 and 70/9, Solve 1 21/49 + 7 7/9 as a fraction

Add 70/49 and 70/9

1^st number: 1 21/49, 2^nd number: 7 7/9

70/49 + 70/9 is 580/63.

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,
70/49 = 70 × 9/49 × 9 = 630/441
Likewise, for the 2nd fraction, since 9 × 49 = 441,
70/9 = 70 × 49/9 × 49 = 3430/441
Add the two like fractions:
630/441 + 3430/441 = 630 + 3430/441 = 4060/441
4060/441 simplified gives 580/63
So, 70/49 + 70/9 = 580/63
In mixed form: 913/63

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