Subtract 15/63 from 20/16
1st number: 1 4/16, 2nd number: 15/63
20/16 - 15/63 is 85/84.
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,
20/16 = 20 × 63/16 × 63 = 1260/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
15/63 = 15 × 16/63 × 16 = 240/1008 - Subtract the two like fractions:
1260/1008 - 240/1008 = 1260 - 240/1008 = 1020/1008 - After reducing the fraction, the answer is 85/84
- In mixed form: 11/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16-15/63 20/16-30/63 20/32-15/63 60/16-15/63 20/16-45/63 20/48-15/63 20/16-75/63 20/80-15/63