Subtract 72/20 from 1/60
1st number: 1/60, 2nd number: 3 12/20
1/60 - 72/20 is -43/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
1/60 = 1 × 1/60 × 1 = 1/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Subtract the two like fractions:
1/60 - 216/60 = 1 - 216/60 = -215/60 - After reducing the fraction, the answer is -43/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/60-72/20 1/60-72/40 3/60-72/20 1/60-72/60 5/60-72/20 7/60-72/20