Add 56/72 and 70/63, Solve 56/72 + 1 7/63 as a fraction

Add 56/72 and 70/63

1^st number: 56/72, 2^nd number: 1 7/63

56/72 + 70/63 is 17/9.

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,
56/72 = 56 × 7/72 × 7 = 392/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504
Add the two like fractions:
392/504 + 560/504 = 392 + 560/504 = 952/504
952/504 simplified gives 17/9
So, 56/72 + 70/63 = 17/9
In mixed form: 18/9

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