Subtract 16/18 from 81/25
1st number: 3 6/25, 2nd number: 16/18
81/25 - 16/18 is 529/225.
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,
81/25 = 81 × 18/25 × 18 = 1458/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
16/18 = 16 × 25/18 × 25 = 400/450 - Subtract the two like fractions:
1458/450 - 400/450 = 1458 - 400/450 = 1058/450 - After reducing the fraction, the answer is 529/225
- In mixed form: 279/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/25-32/18 81/50-16/18 81/25-16/36 81/25-48/18 81/75-16/18 81/25-16/54 81/25-80/18 81/25-16/90