Subtract 8/63 from 12/5
1st number: 2 2/5, 2nd number: 8/63
12/5 - 8/63 is 716/315.
Steps for subtracting fractions
- 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,
12/5 = 12 × 63/5 × 63 = 756/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315 - Subtract the two like fractions:
756/315 - 40/315 = 756 - 40/315 = 716/315 - In mixed form: 286/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5-8/63 12/5-16/63 12/10-8/63 36/5-8/63 12/5-24/63 12/15-8/63 60/5-8/63 12/5-40/63 12/25-8/63 84/5-8/63 12/5-56/63 12/35-8/63