Subtract 16/45 from 45/15
1st number: 3 0/15, 2nd number: 16/45
45/15 - 16/45 is 119/45.
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,
45/15 = 45 × 3/15 × 3 = 135/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
16/45 = 16 × 1/45 × 1 = 16/45 - Subtract the two like fractions:
135/45 - 16/45 = 135 - 16/45 = 119/45 - In mixed form: 229/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15-16/45 45/15-32/45 45/30-16/45 45/15-16/90 45/15-48/45 45/15-80/45 45/75-16/45