Subtract 80/63 from 63/5
1st number: 12 3/5, 2nd number: 1 17/63
63/5 - 80/63 is 3569/315.
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,
63/5 = 63 × 63/5 × 63 = 3969/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
80/63 = 80 × 5/63 × 5 = 400/315 - Subtract the two like fractions:
3969/315 - 400/315 = 3969 - 400/315 = 3569/315 - In mixed form: 11104/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10-80/63 63/15-80/63 63/25-80/63 63/35-80/63