Add 4/7 and 84/72, Solve 4/7 + 1 12/72 as a fraction

Add 4/7 and 84/72

1^st number: 4/7, 2^nd number: 1 12/72

4/7 + 84/72 is 73/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 7 × 72 = 504,
4/7 = 4 × 72/7 × 72 = 288/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504
Add the two like fractions:
288/504 + 588/504 = 288 + 588/504 = 876/504
876/504 simplified gives 73/42
So, 4/7 + 84/72 = 73/42
In mixed form: 131/42

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