Add 56/14 and 20/21, Solve 4 0/14 + 20/21 as a fraction

Add 56/14 and 20/21

1^st number: 4 0/14, 2^nd number: 20/21

56/14 + 20/21 is 104/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
56/14 = 56 × 3/14 × 3 = 168/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42
Add the two like fractions:
168/42 + 40/42 = 168 + 40/42 = 208/42
208/42 simplified gives 104/21
So, 56/14 + 20/21 = 104/21
In mixed form: 420/21

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