Subtract 27/28 from 15/2
1st number: 7 1/2, 2nd number: 27/28
15/2 - 27/28 is 183/28.
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,
15/2 = 15 × 14/2 × 14 = 210/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
27/28 = 27 × 1/28 × 1 = 27/28 - Subtract the two like fractions:
210/28 - 27/28 = 210 - 27/28 = 183/28 - In mixed form: 615/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-27/28 15/2-54/28 15/4-27/28 15/2-27/56 45/2-27/28 15/2-81/28 15/6-27/28 15/2-27/84 75/2-27/28 15/10-27/28 15/14-27/28