Add 56/42 and 8/21, Solve 1 14/42 + 8/21 as a fraction

Add 56/42 and 8/21

1^st number: 1 14/42, 2^nd number: 8/21

56/42 + 8/21 is 12/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
56/42 = 56 × 1/42 × 1 = 56/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
8/21 = 8 × 2/21 × 2 = 16/42
Add the two like fractions:
56/42 + 16/42 = 56 + 16/42 = 72/42
72/42 simplified gives 12/7
So, 56/42 + 8/21 = 12/7
In mixed form: 15/7

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