Add 72/8 and 7/84, Solve 9 0/8 + 7/84 as a fraction

Add 72/8 and 7/84

1^st number: 9 0/8, 2^nd number: 7/84

72/8 + 7/84 is 109/12.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
72/8 = 72 × 21/8 × 21 = 1512/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
7/84 = 7 × 2/84 × 2 = 14/168
Add the two like fractions:
1512/168 + 14/168 = 1512 + 14/168 = 1526/168
1526/168 simplified gives 109/12
So, 72/8 + 7/84 = 109/12
In mixed form: 91/12

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