Subtract 15/45 from 8/15
8/15 - 15/45 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,
8/15 = 8 × 3/15 × 3 = 24/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Subtract the two like fractions:
24/45 - 15/45 = 24 - 15/45 = 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: 16/15-15/45 8/15-30/45 8/30-15/45 8/15-15/90 24/15-15/45 8/45-15/45 40/15-15/45 8/15-75/45 8/75-15/45 56/15-15/45