Subtract 14/4 from 20/28
1st number: 20/28, 2nd number: 3 2/4
20/28 - 14/4 is -39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 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 4 × 7 = 28,
14/4 = 14 × 7/4 × 7 = 98/28 - Subtract the two like fractions:
20/28 - 98/28 = 20 - 98/28 = -78/28 - After reducing the fraction, the answer is -39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28-14/4 20/28-28/4 20/56-14/4 20/28-14/8 60/28-14/4 20/28-42/4 20/84-14/4 20/28-14/12 20/28-70/4 20/28-14/20 20/28-98/4 20/28-14/28