Subtract 45/54 from 40/2
1st number: 20 0/2, 2nd number: 45/54
40/2 - 45/54 is 115/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
40/2 = 40 × 27/2 × 27 = 1080/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Subtract the two like fractions:
1080/54 - 45/54 = 1080 - 45/54 = 1035/54 - After reducing the fraction, the answer is 115/6
- In mixed form: 191/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-45/54 40/2-90/54 40/4-45/54 40/6-45/54 40/10-45/54 40/14-45/54