Subtract 4/90 from 5/60
5/60 - 4/90 is 7/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
5/60 = 5 × 3/60 × 3 = 15/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Subtract the two like fractions:
15/180 - 8/180 = 15 - 8/180 = 7/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/60-4/90 5/60-8/90 15/60-4/90 5/60-12/90 25/60-4/90 5/60-20/90 35/60-4/90 5/60-28/90