Subtract 2/45 from 1/15
1/15 - 2/45 is 1/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
1/15 = 1 × 3/15 × 3 = 3/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
2/45 = 2 × 1/45 × 1 = 2/45 - Subtract the two like fractions:
3/45 - 2/45 = 3 - 2/45 = 1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-2/45 1/15-4/45 1/30-2/45 1/15-2/90 3/15-2/45 1/15-6/45 1/45-2/45 5/15-2/45 1/15-10/45 1/75-2/45 7/15-2/45 1/15-14/45