Subtract 45/15 from 6/9
1st number: 6/9, 2nd number: 3 0/15
6/9 - 45/15 is -7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
6/9 = 6 × 5/9 × 5 = 30/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
45/15 = 45 × 3/15 × 3 = 135/45 - Subtract the two like fractions:
30/45 - 135/45 = 30 - 135/45 = -105/45 - After reducing the fraction, the answer is -7/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-45/15 6/9-90/15 6/18-45/15 6/9-45/30 18/9-45/15 6/27-45/15 30/9-45/15 6/45-45/15 6/9-45/75 42/9-45/15 6/63-45/15