Add 20/21 and 25/56, Solve 20/21 + 25/56 as a fraction

Add 20/21 and 25/56

20/21 + 25/56 is 235/168.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 21 × 8 = 168,
20/21 = 20 × 8/21 × 8 = 160/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
25/56 = 25 × 3/56 × 3 = 75/168
Add the two like fractions:
160/168 + 75/168 = 160 + 75/168 = 235/168
So, 20/21 + 25/56 = 235/168
In mixed form: 167/168

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