Subtract 5/20 from 28/4
1st number: 7 0/4, 2nd number: 5/20
28/4 - 5/20 is 27/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
28/4 = 28 × 5/4 × 5 = 140/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
5/20 = 5 × 1/20 × 1 = 5/20 - Subtract the two like fractions:
140/20 - 5/20 = 140 - 5/20 = 135/20 - After reducing the fraction, the answer is 27/4
- In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4-5/20 28/4-10/20 28/8-5/20 28/4-5/40 84/4-5/20 28/4-15/20 28/12-5/20 28/4-5/60 28/4-25/20 28/20-5/20 28/4-35/20