Add 63/3 and 72/56, Solve 21 0/3 + 1 16/56 as a fraction

Add 63/3 and 72/56

1^st number: 21 0/3, 2^nd number: 1 16/56

63/3 + 72/56 is 156/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 3 × 56 = 168,
63/3 = 63 × 56/3 × 56 = 3528/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
72/56 = 72 × 3/56 × 3 = 216/168
Add the two like fractions:
3528/168 + 216/168 = 3528 + 216/168 = 3744/168
3744/168 simplified gives 156/7
So, 63/3 + 72/56 = 156/7
In mixed form: 222/7

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