Subtract 40/25 from 15/9
1st number: 1 6/9, 2nd number: 1 15/25
15/9 - 40/25 is 1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
15/9 = 15 × 25/9 × 25 = 375/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
40/25 = 40 × 9/25 × 9 = 360/225 - Subtract the two like fractions:
375/225 - 360/225 = 375 - 360/225 = 15/225 - After reducing the fraction, the answer is 1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9-40/25 15/9-80/25 15/18-40/25 15/9-40/50 45/9-40/25 15/27-40/25 15/9-40/75 75/9-40/25 15/45-40/25 15/63-40/25