Solutions by everydaycalculation.com

712 + 4260 is 7760.

- Find the least common denominator or LCM of the two denominators:

LCM of 12 and 60 is**60**

Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,

712 = 7 × 512 × 5 = 3560 - Likewise, for the 2nd fraction, since 60 × 1 = 60,

4260 = 42 × 160 × 1 = 4260 - Add the two like fractions:

3560 + 4260 = 35 + 4260 = 7760 - So, 7/12 + 42/60 = 77/60

In mixed form: 11760

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