Subtract 5/15 from 1/30
1/30 - 5/15 is -3/10.
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,
1/30 = 1 × 1/30 × 1 = 1/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
5/15 = 5 × 2/15 × 2 = 10/30 - Subtract the two like fractions:
1/30 - 10/30 = 1 - 10/30 = -9/30 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-5/15 1/30-10/15 1/60-5/15 1/30-5/30 3/30-5/15 1/90-5/15 1/30-5/45 5/30-5/15 1/30-25/15 1/30-5/75 7/30-5/15 1/30-35/15