Subtract 18/28 from 20/2
1st number: 10 0/2, 2nd number: 18/28
20/2 - 18/28 is 131/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
20/2 = 20 × 14/2 × 14 = 280/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Subtract the two like fractions:
280/28 - 18/28 = 280 - 18/28 = 262/28 - After reducing the fraction, the answer is 131/14
- In mixed form: 95/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-18/28 20/2-36/28 20/4-18/28 20/2-18/56 60/2-18/28 20/2-54/28 20/6-18/28 20/2-18/84 20/2-90/28 20/10-18/28 20/14-18/28