Subtract 8/45 from 2/63
2/63 - 8/45 is -46/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
2/63 = 2 × 5/63 × 5 = 10/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
8/45 = 8 × 7/45 × 7 = 56/315 - Subtract the two like fractions:
10/315 - 56/315 = 10 - 56/315 = -46/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/63-8/45 2/63-16/45 2/63-8/90 6/63-8/45 2/63-24/45 10/63-8/45 2/63-40/45 14/63-8/45 2/63-56/45