Add 25/24 and 63/27, Solve 1 1/24 + 2 9/27 as a fraction

Add 25/24 and 63/27

1^st number: 1 1/24, 2^nd number: 2 9/27

25/24 + 63/27 is 27/8.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 24 × 9 = 216,
25/24 = 25 × 9/24 × 9 = 225/216
Likewise, for the 2nd fraction, since 27 × 8 = 216,
63/27 = 63 × 8/27 × 8 = 504/216
Add the two like fractions:
225/216 + 504/216 = 225 + 504/216 = 729/216
729/216 simplified gives 27/8
So, 25/24 + 63/27 = 27/8
In mixed form: 33/8

MathStep (Works offline)

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