Add 8/56 and 84/63, Solve 8/56 + 1 21/63 as a fraction

Add 8/56 and 84/63

1^st number: 8/56, 2^nd number: 1 21/63

8/56 + 84/63 is 31/21.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
8/56 = 8 × 9/56 × 9 = 72/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504
Add the two like fractions:
72/504 + 672/504 = 72 + 672/504 = 744/504
744/504 simplified gives 31/21
So, 8/56 + 84/63 = 31/21
In mixed form: 110/21

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