Subtract 2/15 from 45/63
45/63 - 2/15 is 61/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
45/63 = 45 × 5/63 × 5 = 225/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
2/15 = 2 × 21/15 × 21 = 42/315 - Subtract the two like fractions:
225/315 - 42/315 = 225 - 42/315 = 183/315 - After reducing the fraction, the answer is 61/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-2/15 45/63-4/15 45/63-2/30 45/63-6/15 45/63-2/45 45/63-10/15 45/63-2/75 45/63-14/15