Subtract 20/4 from 10/28
1st number: 10/28, 2nd number: 5 0/4
10/28 - 20/4 is -65/14.
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,
10/28 = 10 × 1/28 × 1 = 10/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Subtract the two like fractions:
10/28 - 140/28 = 10 - 140/28 = -130/28 - After reducing the fraction, the answer is -65/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-20/4 10/28-40/4 10/56-20/4 10/28-20/8 30/28-20/4 10/28-60/4 10/84-20/4 10/28-20/12 50/28-20/4 70/28-20/4 10/28-20/28