Add 70/9 and 10/42, Solve 7 7/9 + 10/42 as a fraction

Add 70/9 and 10/42

1^st number: 7 7/9, 2^nd number: 10/42

70/9 + 10/42 is 505/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
70/9 = 70 × 14/9 × 14 = 980/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
10/42 = 10 × 3/42 × 3 = 30/126
Add the two like fractions:
980/126 + 30/126 = 980 + 30/126 = 1010/126
1010/126 simplified gives 505/63
So, 70/9 + 10/42 = 505/63
In mixed form: 81/63

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