Add 20/21 and 63/24, Solve 20/21 + 2 15/24 as a fraction

Add 20/21 and 63/24

1^st number: 20/21, 2^nd number: 2 15/24

20/21 + 63/24 is 601/168.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 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 24 × 7 = 168,
63/24 = 63 × 7/24 × 7 = 441/168
Add the two like fractions:
160/168 + 441/168 = 160 + 441/168 = 601/168
So, 20/21 + 63/24 = 601/168
In mixed form: 397/168

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