Subtract 3/45 from 4/15
4/15 - 3/45 is 1/5.
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,
4/15 = 4 × 3/15 × 3 = 12/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
3/45 = 3 × 1/45 × 1 = 3/45 - Subtract the two like fractions:
12/45 - 3/45 = 12 - 3/45 = 9/45 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-3/45 4/15-6/45 4/30-3/45 4/15-3/90 12/15-3/45 4/15-9/45 4/45-3/45 20/15-3/45 4/15-15/45 4/75-3/45 28/15-3/45 4/15-21/45