Add 63/4 and 4/63, Solve 15 3/4 + 4/63 as a fraction

Add 63/4 and 4/63

1^st number: 15 3/4, 2^nd number: 4/63

63/4 + 4/63 is 3985/252.

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,
63/4 = 63 × 63/4 × 63 = 3969/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252
Add the two like fractions:
3969/252 + 16/252 = 3969 + 16/252 = 3985/252
So, 63/4 + 4/63 = 3985/252
In mixed form: 15205/252

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad