Add 63/8 and 25/54, Solve 7 7/8 + 25/54 as a fraction

Add 63/8 and 25/54

1^st number: 7 7/8, 2^nd number: 25/54

63/8 + 25/54 is 1801/216.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 8 × 27 = 216,
63/8 = 63 × 27/8 × 27 = 1701/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
25/54 = 25 × 4/54 × 4 = 100/216
Add the two like fractions:
1701/216 + 100/216 = 1701 + 100/216 = 1801/216
So, 63/8 + 25/54 = 1801/216
In mixed form: 873/216

MathStep (Works offline)

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