Subtract 30/45 from 72/25
1st number: 2 22/25, 2nd number: 30/45
72/25 - 30/45 is 166/75.
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,
72/25 = 72 × 9/25 × 9 = 648/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
30/45 = 30 × 5/45 × 5 = 150/225 - Subtract the two like fractions:
648/225 - 150/225 = 648 - 150/225 = 498/225 - After reducing the fraction, the answer is 166/75
- In mixed form: 216/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/25-60/45 72/50-30/45 72/25-30/90 72/25-90/45 72/75-30/45