Subtract 1/30 from 4/15
4/15 - 1/30 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
4/15 = 4 × 2/15 × 2 = 8/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
1/30 = 1 × 1/30 × 1 = 1/30 - Subtract the two like fractions:
8/30 - 1/30 = 8 - 1/30 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-1/30 4/15-2/30 4/30-1/30 4/15-1/60 12/15-1/30 4/15-3/30 4/45-1/30 4/15-1/90 20/15-1/30 4/15-5/30 4/75-1/30 28/15-1/30 4/15-7/30