Subtract 16/45 from 5/15
5/15 - 16/45 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,
5/15 = 5 × 3/15 × 3 = 15/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
16/45 = 16 × 1/45 × 1 = 16/45 - Subtract the two like fractions:
15/45 - 16/45 = 15 - 16/45 = -1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-16/45 5/15-32/45 5/30-16/45 5/15-16/90 5/15-48/45 5/45-16/45 25/15-16/45 5/15-80/45 5/75-16/45 35/15-16/45