Subtract 3/63 from 50/35, Solve 1 15/35

Subtract 3/63 from 50/35

1^st number: 1 15/35, 2^nd number: 3/63

50/35 - 3/63 is 29/21.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 35 × 9 = 315,
50/35 = 50 × 9/35 × 9 = 450/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
3/63 = 3 × 5/63 × 5 = 15/315
Subtract the two like fractions:
450/315 - 15/315 = 450 - 15/315 = 435/315
After reducing the fraction, the answer is 29/21
In mixed form: 18/21

MathStep (Works offline)

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