Add 84/72 and 7/12, Solve 1 12/72 + 7/12 as a fraction

Add 84/72 and 7/12

1^st number: 1 12/72, 2^nd number: 7/12

84/72 + 7/12 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72
Likewise, for the 2nd fraction, since 12 × 6 = 72,
7/12 = 7 × 6/12 × 6 = 42/72
Add the two like fractions:
84/72 + 42/72 = 84 + 42/72 = 126/72
126/72 simplified gives 7/4
So, 84/72 + 7/12 = 7/4
In mixed form: 13/4

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