Subtract 20/63 from 15/16
15/16 - 20/63 is 625/1008.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
15/16 = 15 × 63/16 × 63 = 945/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
20/63 = 20 × 16/63 × 16 = 320/1008 - Subtract the two like fractions:
945/1008 - 320/1008 = 945 - 320/1008 = 625/1008
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16-20/63 15/16-40/63 15/32-20/63 45/16-20/63 15/16-60/63 15/48-20/63 75/16-20/63 15/80-20/63