Subtract 75/63 from 6/5, Solve 1 1/5

Subtract 75/63 from 6/5

1^st number: 1 1/5, 2^nd number: 1 12/63

6/5 - 75/63 is 1/105.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 5 × 63 = 315,
6/5 = 6 × 63/5 × 63 = 378/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
75/63 = 75 × 5/63 × 5 = 375/315
Subtract the two like fractions:
378/315 - 375/315 = 378 - 375/315 = 3/315
After reducing the fraction, the answer is 1/105

MathStep (Works offline)

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