Subtract 20/63 from 16/15
1st number: 1 1/15, 2nd number: 20/63
16/15 - 20/63 is 236/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
16/15 = 16 × 21/15 × 21 = 336/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Subtract the two like fractions:
336/315 - 100/315 = 336 - 100/315 = 236/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15-20/63 16/15-40/63 16/30-20/63 48/15-20/63 16/15-60/63 16/45-20/63 80/15-20/63 16/75-20/63