Add 72/63 and 63/72, Solve 1 9/63 + 63/72 as a fraction

Add 72/63 and 63/72

1^st number: 1 9/63, 2^nd number: 63/72

72/63 + 63/72 is 113/56.

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

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 63 × 8 = 504,
72/63 = 72 × 8/63 × 8 = 576/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504
Add the two like fractions:
576/504 + 441/504 = 576 + 441/504 = 1017/504
1017/504 simplified gives 113/56
So, 72/63 + 63/72 = 113/56
In mixed form: 21/56

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