Subtract 1/60 from 10/90
10/90 - 1/60 is 17/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
10/90 = 10 × 2/90 × 2 = 20/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
1/60 = 1 × 3/60 × 3 = 3/180 - Subtract the two like fractions:
20/180 - 3/180 = 20 - 3/180 = 17/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-1/60 10/90-2/60 30/90-1/60 10/90-3/60 50/90-1/60 10/90-5/60 70/90-1/60 10/90-7/60