Subtract 56/20 from 3/16
1st number: 3/16, 2nd number: 2 16/20
3/16 - 56/20 is -209/80.
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,
3/16 = 3 × 5/16 × 5 = 15/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
56/20 = 56 × 4/20 × 4 = 224/80 - Subtract the two like fractions:
15/80 - 224/80 = 15 - 224/80 = -209/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16-56/20 3/32-56/20 3/16-56/40 9/16-56/20 3/48-56/20 3/16-56/60 15/16-56/20 3/80-56/20 21/16-56/20