Subtract 5/90 from 6/30
6/30 - 5/90 is 13/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
6/30 = 6 × 3/30 × 3 = 18/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Subtract the two like fractions:
18/90 - 5/90 = 18 - 5/90 = 13/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-5/90 6/30-10/90 6/60-5/90 18/30-5/90 6/30-15/90 6/90-5/90 6/30-25/90 42/30-5/90 6/30-35/90