Add 10/12 and 18/72, Solve 10/12 + 18/72 as a fraction

Add 10/12 and 18/72

10/12 + 18/72 is 13/12.

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

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 12 × 6 = 72,
10/12 = 10 × 6/12 × 6 = 60/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72
Add the two like fractions:
60/72 + 18/72 = 60 + 18/72 = 78/72
78/72 simplified gives 13/12
So, 10/12 + 18/72 = 13/12
In mixed form: 11/12

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