Subtract 15/20 from 63/16
1st number: 3 15/16, 2nd number: 15/20
63/16 - 15/20 is 51/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
63/16 = 63 × 5/16 × 5 = 315/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
15/20 = 15 × 4/20 × 4 = 60/80 - Subtract the two like fractions:
315/80 - 60/80 = 315 - 60/80 = 255/80 - After reducing the fraction, the answer is 51/16
- In mixed form: 33/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16-30/20 63/32-15/20 63/16-15/40 63/16-45/20 63/48-15/20 63/16-15/60 63/16-75/20 63/80-15/20