Subtract 80/63 from 14/45
1st number: 14/45, 2nd number: 1 17/63
14/45 - 80/63 is -302/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
14/45 = 14 × 7/45 × 7 = 98/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
80/63 = 80 × 5/63 × 5 = 400/315 - Subtract the two like fractions:
98/315 - 400/315 = 98 - 400/315 = -302/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/45-80/63 14/90-80/63 42/45-80/63 70/45-80/63 98/45-80/63