Add 63/48 and 1/81, Solve 1 15/48 + 1/81 as a fraction

Add 63/48 and 1/81

1^st number: 1 15/48, 2^nd number: 1/81

63/48 + 1/81 is 1717/1296.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296

Next, find the equivalent fraction of both fractional numbers with denominator 1296
For the 1st fraction, since 48 × 27 = 1296,
63/48 = 63 × 27/48 × 27 = 1701/1296
Likewise, for the 2nd fraction, since 81 × 16 = 1296,
1/81 = 1 × 16/81 × 16 = 16/1296
Add the two like fractions:
1701/1296 + 16/1296 = 1701 + 16/1296 = 1717/1296
So, 63/48 + 1/81 = 1717/1296
In mixed form: 1421/1296

MathStep (Works offline)

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