Subtract 45/9 from 40/3
1st number: 13 1/3, 2nd number: 5 0/9
40/3 - 45/9 is 25/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
40/3 = 40 × 3/3 × 3 = 120/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
45/9 = 45 × 1/9 × 1 = 45/9 - Subtract the two like fractions:
120/9 - 45/9 = 120 - 45/9 = 75/9 - After reducing the fraction, the answer is 25/3
- In mixed form: 81/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-45/9 40/3-90/9 40/6-45/9 40/3-45/18 40/9-45/9 40/3-45/27 40/15-45/9 40/21-45/9 40/3-45/63