Subtract 4/28 from 20/4
1st number: 5 0/4, 2nd number: 4/28
20/4 - 4/28 is 34/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
4/28 = 4 × 1/28 × 1 = 4/28 - Subtract the two like fractions:
140/28 - 4/28 = 140 - 4/28 = 136/28 - After reducing the fraction, the answer is 34/7
- In mixed form: 46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4-4/28 20/4-8/28 20/8-4/28 20/4-4/56 60/4-4/28 20/4-12/28 20/12-4/28 20/4-4/84 20/4-20/28 20/28-4/28