Add 4/56 and 28/21, Solve 4/56 + 1 7/21 as a fraction

Add 4/56 and 28/21

1^st number: 4/56, 2^nd number: 1 7/21

4/56 + 28/21 is 59/42.

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,
4/56 = 4 × 3/56 × 3 = 12/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
28/21 = 28 × 8/21 × 8 = 224/168
Add the two like fractions:
12/168 + 224/168 = 12 + 224/168 = 236/168
236/168 simplified gives 59/42
So, 4/56 + 28/21 = 59/42
In mixed form: 117/42

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