Subtract 40/27 from 50/20
1st number: 2 10/20, 2nd number: 1 13/27
50/20 - 40/27 is 55/54.
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,
50/20 = 50 × 27/20 × 27 = 1350/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
40/27 = 40 × 20/27 × 20 = 800/540 - Subtract the two like fractions:
1350/540 - 800/540 = 1350 - 800/540 = 550/540 - After reducing the fraction, the answer is 55/54
- In mixed form: 11/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-80/27 50/40-40/27 50/20-40/54 50/60-40/27 50/20-40/81