Subtract 6/18 from 81/50
1st number: 1 31/50, 2nd number: 6/18
81/50 - 6/18 is 193/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
81/50 = 81 × 9/50 × 9 = 729/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
6/18 = 6 × 25/18 × 25 = 150/450 - Subtract the two like fractions:
729/450 - 150/450 = 729 - 150/450 = 579/450 - After reducing the fraction, the answer is 193/150
- In mixed form: 143/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50-12/18 81/50-6/36 81/50-6/54 81/50-30/18 81/50-6/90 81/50-42/18