Subtract 48/81 from 40/5
1st number: 8 0/5, 2nd number: 48/81
40/5 - 48/81 is 200/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
40/5 = 40 × 81/5 × 81 = 3240/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
48/81 = 48 × 5/81 × 5 = 240/405 - Subtract the two like fractions:
3240/405 - 240/405 = 3240 - 240/405 = 3000/405 - After reducing the fraction, the answer is 200/27
- In mixed form: 711/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-48/81 40/5-96/81 40/10-48/81 40/15-48/81 40/25-48/81 40/35-48/81