Subtract 7/54 from 20/2
1st number: 10 0/2, 2nd number: 7/54
20/2 - 7/54 is 533/54.
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,
20/2 = 20 × 27/2 × 27 = 540/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
7/54 = 7 × 1/54 × 1 = 7/54 - Subtract the two like fractions:
540/54 - 7/54 = 540 - 7/54 = 533/54 - In mixed form: 947/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-7/54 20/2-14/54 20/4-7/54 60/2-7/54 20/2-21/54 20/6-7/54 20/2-35/54 20/10-7/54 20/2-49/54 20/14-7/54