Subtract 18/27 from 50/20
1st number: 2 10/20, 2nd number: 18/27
50/20 - 18/27 is 11/6.
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,
18/27 = 18 × 20/27 × 20 = 360/540 - Subtract the two like fractions:
1350/540 - 360/540 = 1350 - 360/540 = 990/540 - After reducing the fraction, the answer is 11/6
- In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-36/27 50/40-18/27 50/20-18/54 50/20-54/27 50/60-18/27 50/20-18/81 50/20-90/27