Add 84/72 and 56/63, Solve 1 12/72 + 56/63 as a fraction

Add 84/72 and 56/63

1^st number: 1 12/72, 2^nd number: 56/63

84/72 + 56/63 is 37/18.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504
Add the two like fractions:
588/504 + 448/504 = 588 + 448/504 = 1036/504
1036/504 simplified gives 37/18
So, 84/72 + 56/63 = 37/18
In mixed form: 21/18

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