Subtract 15/45 from 40/3
1st number: 13 1/3, 2nd number: 15/45
40/3 - 15/45 is 13/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
40/3 = 40 × 15/3 × 15 = 600/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Subtract the two like fractions:
600/45 - 15/45 = 600 - 15/45 = 585/45 - After reducing the fraction, the answer is 13/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-15/45 40/3-30/45 40/6-15/45 40/3-15/90 40/9-15/45 40/3-75/45 40/15-15/45 40/21-15/45