Subtract 56/4 from 20/30
1st number: 20/30, 2nd number: 14 0/4
20/30 - 56/4 is -40/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
56/4 = 56 × 15/4 × 15 = 840/60 - Subtract the two like fractions:
40/60 - 840/60 = 40 - 840/60 = -800/60 - After reducing the fraction, the answer is -40/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30-56/4 20/60-56/4 20/30-56/8 60/30-56/4 20/90-56/4 20/30-56/12 20/30-56/20 20/30-56/28