Subtract 12/54 from 7/2
1st number: 3 1/2, 2nd number: 12/54
7/2 - 12/54 is 59/18.
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,
7/2 = 7 × 27/2 × 27 = 189/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
12/54 = 12 × 1/54 × 1 = 12/54 - Subtract the two like fractions:
189/54 - 12/54 = 189 - 12/54 = 177/54 - After reducing the fraction, the answer is 59/18
- In mixed form: 35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-12/54 7/2-24/54 7/4-12/54 21/2-12/54 7/2-36/54 7/6-12/54 35/2-12/54 7/2-60/54 7/10-12/54 49/2-12/54 7/2-84/54 7/14-12/54