Add 81/72 and 4/7, Solve 1 9/72 + 4/7 as a fraction

Add 81/72 and 4/7

1^st number: 1 9/72, 2^nd number: 4/7

81/72 + 4/7 is 95/56.

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,
81/72 = 81 × 7/72 × 7 = 567/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
4/7 = 4 × 72/7 × 72 = 288/504
Add the two like fractions:
567/504 + 288/504 = 567 + 288/504 = 855/504
855/504 simplified gives 95/56
So, 81/72 + 4/7 = 95/56
In mixed form: 139/56

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