Subtract 9/90 from 6/30
6/30 - 9/90 is 1/10.
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,
9/90 = 9 × 1/90 × 1 = 9/90 - Subtract the two like fractions:
18/90 - 9/90 = 18 - 9/90 = 9/90 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-9/90 6/30-18/90 6/60-9/90 18/30-9/90 6/30-27/90 6/90-9/90 6/30-45/90 42/30-9/90 6/30-63/90