Subtract 45/15 from 1/63
1st number: 1/63, 2nd number: 3 0/15
1/63 - 45/15 is -188/63.
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,
1/63 = 1 × 5/63 × 5 = 5/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
45/15 = 45 × 21/15 × 21 = 945/315 - Subtract the two like fractions:
5/315 - 945/315 = 5 - 945/315 = -940/315 - After reducing the fraction, the answer is -188/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-45/15 1/63-90/15 1/63-45/30 3/63-45/15 5/63-45/15 1/63-45/75 7/63-45/15