Subtract 9/45 from 84/75
1st number: 1 9/75, 2nd number: 9/45
84/75 - 9/45 is 23/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
84/75 = 84 × 3/75 × 3 = 252/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
9/45 = 9 × 5/45 × 5 = 45/225 - Subtract the two like fractions:
252/225 - 45/225 = 252 - 45/225 = 207/225 - After reducing the fraction, the answer is 23/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-18/45 84/75-9/90 84/75-27/45 84/75-63/45