Add 8/72 and 70/63, Solve 8/72 + 1 7/63 as a fraction

Add 8/72 and 70/63

1^st number: 8/72, 2^nd number: 1 7/63

8/72 + 70/63 is 11/9.

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,
8/72 = 8 × 7/72 × 7 = 56/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504
Add the two like fractions:
56/504 + 560/504 = 56 + 560/504 = 616/504
616/504 simplified gives 11/9
So, 8/72 + 70/63 = 11/9
In mixed form: 12/9

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