Subtract 10/35 from 12/63
12/63 - 10/35 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
12/63 = 12 × 5/63 × 5 = 60/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
10/35 = 10 × 9/35 × 9 = 90/315 - Subtract the two like fractions:
60/315 - 90/315 = 60 - 90/315 = -30/315 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63-10/35 12/63-20/35 12/63-10/70 36/63-10/35 12/63-30/35 60/63-10/35 12/63-50/35 84/63-10/35 12/63-70/35