Add 72/4 and 20/63, Solve 18 0/4 + 20/63 as a fraction

Add 72/4 and 20/63

1^st number: 18 0/4, 2^nd number: 20/63

72/4 + 20/63 is 1154/63.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 4 × 63 = 252,
72/4 = 72 × 63/4 × 63 = 4536/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252
Add the two like fractions:
4536/252 + 80/252 = 4536 + 80/252 = 4616/252
4616/252 simplified gives 1154/63
So, 72/4 + 20/63 = 1154/63
In mixed form: 1820/63

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