Add 12/9 and 70/7, Solve 1 3/9 + 10 0/7 as a fraction

Add 12/9 and 70/7

1^st number: 1 3/9, 2^nd number: 10 0/7

12/9 + 70/7 is 34/3.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 9 × 7 = 63,
12/9 = 12 × 7/9 × 7 = 84/63
Likewise, for the 2nd fraction, since 7 × 9 = 63,
70/7 = 70 × 9/7 × 9 = 630/63
Add the two like fractions:
84/63 + 630/63 = 84 + 630/63 = 714/63
714/63 simplified gives 34/3
So, 12/9 + 70/7 = 34/3
In mixed form: 111/3

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