Subtract 9/15 from 20/60
20/60 - 9/15 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
20/60 = 20 × 1/60 × 1 = 20/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
9/15 = 9 × 4/15 × 4 = 36/60 - Subtract the two like fractions:
20/60 - 36/60 = 20 - 36/60 = -16/60 - After reducing the fraction, the answer is -4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60-9/15 20/60-18/15 20/60-9/30 20/60-27/15 20/60-9/45 20/60-45/15 20/60-9/75 20/60-63/15