Add 84/72 and 15/12, Solve 1 12/72 + 1 3/12 as a fraction

Add 84/72 and 15/12

1^st number: 1 12/72, 2^nd number: 1 3/12

84/72 + 15/12 is 29/12.

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,
15/12 = 15 × 6/12 × 6 = 90/72
Add the two like fractions:
84/72 + 90/72 = 84 + 90/72 = 174/72
174/72 simplified gives 29/12
So, 84/72 + 15/12 = 29/12
In mixed form: 25/12

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