Add 9/12 and 42/7, Solve 9/12 + 6 0/7 as a fraction

Add 9/12 and 42/7

1^st number: 9/12, 2^nd number: 6 0/7

9/12 + 42/7 is 27/4.

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,
9/12 = 9 × 7/12 × 7 = 63/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
42/7 = 42 × 12/7 × 12 = 504/84
Add the two like fractions:
63/84 + 504/84 = 63 + 504/84 = 567/84
567/84 simplified gives 27/4
So, 9/12 + 42/7 = 27/4
In mixed form: 63/4

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