Add 15/12 and 7/14, Solve 1 3/12 + 7/14 as a fraction

Add 15/12 and 7/14

1^st number: 1 3/12, 2^nd number: 7/14

15/12 + 7/14 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84
Likewise, for the 2nd fraction, since 14 × 6 = 84,
7/14 = 7 × 6/14 × 6 = 42/84
Add the two like fractions:
105/84 + 42/84 = 105 + 42/84 = 147/84
147/84 simplified gives 7/4
So, 15/12 + 7/14 = 7/4
In mixed form: 13/4

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