Subtract 4/18 from 72/25
1st number: 2 22/25, 2nd number: 4/18
72/25 - 4/18 is 598/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
72/25 = 72 × 18/25 × 18 = 1296/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
4/18 = 4 × 25/18 × 25 = 100/450 - Subtract the two like fractions:
1296/450 - 100/450 = 1296 - 100/450 = 1196/450 - After reducing the fraction, the answer is 598/225
- In mixed form: 2148/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/25-8/18 72/50-4/18 72/25-4/36 72/25-12/18 72/75-4/18 72/25-4/54 72/25-20/18 72/25-4/90 72/25-28/18