Subtract 3/9 from 15/45
15/45 - 3/9 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Subtract the two like fractions:
15/45 - 15/45 = 15 - 15/45 = 0/45 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45-3/9 15/45-6/9 15/90-3/9 15/45-3/18 15/45-3/27 75/45-3/9 15/45-15/9 15/45-3/45 15/45-21/9 15/45-3/63