Subtract 9/40 from 75/15
1st number: 5 0/15, 2nd number: 9/40
75/15 - 9/40 is 191/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
75/15 = 75 × 8/15 × 8 = 600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Subtract the two like fractions:
600/120 - 27/120 = 600 - 27/120 = 573/120 - After reducing the fraction, the answer is 191/40
- In mixed form: 431/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15-18/40 75/30-9/40 75/15-9/80 75/15-27/40 75/45-9/40 75/15-45/40 75/15-63/40