Add 21/56 and 20/8, Solve 21/56 + 2 4/8 as a fraction

Add 21/56 and 20/8

1^st number: 21/56, 2^nd number: 2 4/8

21/56 + 20/8 is 23/8.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
20/8 = 20 × 7/8 × 7 = 140/56
Add the two like fractions:
21/56 + 140/56 = 21 + 140/56 = 161/56
161/56 simplified gives 23/8
So, 21/56 + 20/8 = 23/8
In mixed form: 27/8

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