Subtract 56/20 from 4/30
1st number: 4/30, 2nd number: 2 16/20
4/30 - 56/20 is -8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
4/30 = 4 × 2/30 × 2 = 8/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
56/20 = 56 × 3/20 × 3 = 168/60 - Subtract the two like fractions:
8/60 - 168/60 = 8 - 168/60 = -160/60 - After reducing the fraction, the answer is -8/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-56/20 4/60-56/20 4/30-56/40 12/30-56/20 4/90-56/20 4/30-56/60 20/30-56/20 28/30-56/20