Subtract 3/40 from 45/3
1st number: 15 0/3, 2nd number: 3/40
45/3 - 3/40 is 597/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
45/3 = 45 × 40/3 × 40 = 1800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Subtract the two like fractions:
1800/120 - 9/120 = 1800 - 9/120 = 1791/120 - After reducing the fraction, the answer is 597/40
- In mixed form: 1437/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3-3/40 45/3-6/40 45/6-3/40 45/3-3/80 45/3-9/40 45/9-3/40 45/3-15/40 45/15-3/40 45/3-21/40 45/21-3/40