Subtract 9/45 from 30/25
1st number: 1 5/25, 2nd number: 9/45
30/25 - 9/45 is 1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
30/25 = 30 × 9/25 × 9 = 270/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
9/45 = 9 × 5/45 × 5 = 45/225 - Subtract the two like fractions:
270/225 - 45/225 = 270 - 45/225 = 225/225 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25-9/45 30/25-18/45 30/50-9/45 30/25-9/90 90/25-9/45 30/25-27/45 30/75-9/45 30/25-63/45