Subtract 63/60 from 9/20
1st number: 9/20, 2nd number: 1 3/60
9/20 - 63/60 is -3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
63/60 = 63 × 1/60 × 1 = 63/60 - Subtract the two like fractions:
27/60 - 63/60 = 27 - 63/60 = -36/60 - After reducing the fraction, the answer is -3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20-63/60 9/40-63/60 27/20-63/60 9/60-63/60 45/20-63/60 63/20-63/60