Subtract 50/14 from 20/28
1st number: 20/28, 2nd number: 3 8/14
20/28 - 50/14 is -20/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
50/14 = 50 × 2/14 × 2 = 100/28 - Subtract the two like fractions:
20/28 - 100/28 = 20 - 100/28 = -80/28 - After reducing the fraction, the answer is -20/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28-50/14 20/56-50/14 20/28-50/28 60/28-50/14 20/84-50/14 20/28-50/42 20/28-50/70 20/28-50/98