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

Add 72/56 and 3/21

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

72/56 + 3/21 is 10/7.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
72/56 = 72 × 3/56 × 3 = 216/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
3/21 = 3 × 8/21 × 8 = 24/168
Add the two like fractions:
216/168 + 24/168 = 216 + 24/168 = 240/168
240/168 simplified gives 10/7
So, 72/56 + 3/21 = 10/7
In mixed form: 13/7

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