Add 8/12 and 9/7, Solve 8/12 + 1 2/7 as a fraction

Add 8/12 and 9/7

1^st number: 8/12, 2^nd number: 1 2/7

8/12 + 9/7 is 41/21.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
9/7 = 9 × 12/7 × 12 = 108/84
Add the two like fractions:
56/84 + 108/84 = 56 + 108/84 = 164/84
164/84 simplified gives 41/21
So, 8/12 + 9/7 = 41/21
In mixed form: 120/21

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