Subtract 56/27 from 12/20
1st number: 12/20, 2nd number: 2 2/27
12/20 - 56/27 is -199/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
12/20 = 12 × 27/20 × 27 = 324/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
56/27 = 56 × 20/27 × 20 = 1120/540 - Subtract the two like fractions:
324/540 - 1120/540 = 324 - 1120/540 = -796/540 - After reducing the fraction, the answer is -199/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-56/27 12/40-56/27 12/20-56/54 36/20-56/27 12/60-56/27 12/20-56/81 60/20-56/27 84/20-56/27