Subtract 6/15 from 9/30
9/30 - 6/15 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
6/15 = 6 × 2/15 × 2 = 12/30 - Subtract the two like fractions:
9/30 - 12/30 = 9 - 12/30 = -3/30 - 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: 18/30-6/15 9/30-12/15 9/60-6/15 9/30-6/30 27/30-6/15 9/30-18/15 9/90-6/15 9/30-6/45 45/30-6/15 9/30-30/15 9/30-6/75 63/30-6/15 9/30-42/15