Subtract 25/72 from 84/75
1st number: 1 9/75, 2nd number: 25/72
84/75 - 25/72 is 1391/1800.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
84/75 = 84 × 24/75 × 24 = 2016/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
25/72 = 25 × 25/72 × 25 = 625/1800 - Subtract the two like fractions:
2016/1800 - 625/1800 = 2016 - 625/1800 = 1391/1800
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-50/72 84/75-75/72