Subtract 15/9 from 7/25
1st number: 7/25, 2nd number: 1 6/9
7/25 - 15/9 is -104/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
7/25 = 7 × 9/25 × 9 = 63/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
15/9 = 15 × 25/9 × 25 = 375/225 - Subtract the two like fractions:
63/225 - 375/225 = 63 - 375/225 = -312/225 - After reducing the fraction, the answer is -104/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25-15/9 7/25-30/9 7/50-15/9 7/25-15/18 21/25-15/9 7/25-45/9 7/75-15/9 7/25-15/27 35/25-15/9 7/25-75/9 7/25-15/45 49/25-15/9 7/25-15/63