Subtract 15/20 from 9/75
9/75 - 15/20 is -63/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
9/75 = 9 × 4/75 × 4 = 36/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
15/20 = 15 × 15/20 × 15 = 225/300 - Subtract the two like fractions:
36/300 - 225/300 = 36 - 225/300 = -189/300 - After reducing the fraction, the answer is -63/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/75-15/20 9/75-30/20 9/75-15/40 27/75-15/20 9/75-45/20 9/75-15/60 45/75-15/20 9/75-75/20 63/75-15/20