Subtract 12/54 from 40/2
1st number: 20 0/2, 2nd number: 12/54
40/2 - 12/54 is 178/9.
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,
12/54 = 12 × 1/54 × 1 = 12/54 - Subtract the two like fractions:
1080/54 - 12/54 = 1080 - 12/54 = 1068/54 - After reducing the fraction, the answer is 178/9
- In mixed form: 197/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-12/54 40/2-24/54 40/4-12/54 40/2-36/54 40/6-12/54 40/2-60/54 40/10-12/54 40/2-84/54 40/14-12/54