Subtract 28/75 from 9/20
9/20 - 28/75 is 23/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
9/20 = 9 × 15/20 × 15 = 135/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
28/75 = 28 × 4/75 × 4 = 112/300 - Subtract the two like fractions:
135/300 - 112/300 = 135 - 112/300 = 23/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20-28/75 9/20-56/75 9/40-28/75 27/20-28/75 9/20-84/75 9/60-28/75 45/20-28/75 63/20-28/75