Subtract 9/60 from 20/5
1st number: 4 0/5, 2nd number: 9/60
20/5 - 9/60 is 77/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
20/5 = 20 × 12/5 × 12 = 240/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
9/60 = 9 × 1/60 × 1 = 9/60 - Subtract the two like fractions:
240/60 - 9/60 = 240 - 9/60 = 231/60 - After reducing the fraction, the answer is 77/20
- In mixed form: 317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-9/60 20/5-18/60 20/10-9/60 60/5-9/60 20/5-27/60 20/15-9/60 20/5-45/60 20/25-9/60 20/5-63/60 20/35-9/60