Subtract 2/63 from 15/45
15/45 - 2/63 is 19/63.
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,
15/45 = 15 × 7/45 × 7 = 105/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
2/63 = 2 × 5/63 × 5 = 10/315 - Subtract the two like fractions:
105/315 - 10/315 = 105 - 10/315 = 95/315 - After reducing the fraction, the answer is 19/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45-2/63 15/45-4/63 15/90-2/63 15/45-6/63 75/45-2/63 15/45-10/63 15/45-14/63