Subtract 45/9 from 12/25
1st number: 12/25, 2nd number: 5 0/9
12/25 - 45/9 is -113/25.
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,
12/25 = 12 × 9/25 × 9 = 108/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
45/9 = 45 × 25/9 × 25 = 1125/225 - Subtract the two like fractions:
108/225 - 1125/225 = 108 - 1125/225 = -1017/225 - After reducing the fraction, the answer is -113/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/25-45/9 12/25-90/9 12/50-45/9 12/25-45/18 36/25-45/9 12/75-45/9 12/25-45/27 60/25-45/9 84/25-45/9 12/25-45/63