Subtract 7/63 from 16/8, Solve 2 0/8

Subtract 7/63 from 16/8

1^st number: 2 0/8, 2^nd number: 7/63

16/8 - 7/63 is 17/9.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 8 × 63 = 504,
16/8 = 16 × 63/8 × 63 = 1008/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
7/63 = 7 × 8/63 × 8 = 56/504
Subtract the two like fractions:
1008/504 - 56/504 = 1008 - 56/504 = 952/504
After reducing the fraction, the answer is 17/9
In mixed form: 18/9

MathStep (Works offline)

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