Add 4/72 and 81/7, Solve 4/72 + 11 4/7 as a fraction

Add 4/72 and 81/7

1^st number: 4/72, 2^nd number: 11 4/7

4/72 + 81/7 is 1465/126.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
81/7 = 81 × 72/7 × 72 = 5832/504
Add the two like fractions:
28/504 + 5832/504 = 28 + 5832/504 = 5860/504
5860/504 simplified gives 1465/126
So, 4/72 + 81/7 = 1465/126
In mixed form: 1179/126

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