Subtract 3/20 from 60/45
1st number: 1 15/45, 2nd number: 3/20
60/45 - 3/20 is 71/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
60/45 = 60 × 4/45 × 4 = 240/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Subtract the two like fractions:
240/180 - 27/180 = 240 - 27/180 = 213/180 - After reducing the fraction, the answer is 71/60
- In mixed form: 111/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45-6/20 60/90-3/20 60/45-3/40 60/45-9/20 60/45-3/60 60/45-15/20 60/45-21/20