Subtract 2/60 from 90/72
1st number: 1 18/72, 2nd number: 2/60
90/72 - 2/60 is 73/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
2/60 = 2 × 6/60 × 6 = 12/360 - Subtract the two like fractions:
450/360 - 12/360 = 450 - 12/360 = 438/360 - After reducing the fraction, the answer is 73/60
- In mixed form: 113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72-4/60 90/72-6/60 90/72-10/60 90/72-14/60