Subtract 4/45 from 84/25
1st number: 3 9/25, 2nd number: 4/45
84/25 - 4/45 is 736/225.
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,
84/25 = 84 × 9/25 × 9 = 756/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
4/45 = 4 × 5/45 × 5 = 20/225 - Subtract the two like fractions:
756/225 - 20/225 = 756 - 20/225 = 736/225 - In mixed form: 361/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-8/45 84/50-4/45 84/25-4/90 84/25-12/45 84/75-4/45 84/25-20/45 84/25-28/45