Subtract 1/28 from 27/18
1st number: 1 9/18, 2nd number: 1/28
27/18 - 1/28 is 41/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
27/18 = 27 × 14/18 × 14 = 378/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
1/28 = 1 × 9/28 × 9 = 9/252 - Subtract the two like fractions:
378/252 - 9/252 = 378 - 9/252 = 369/252 - After reducing the fraction, the answer is 41/28
- In mixed form: 113/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-1/28 27/18-2/28 27/36-1/28 27/18-1/56 81/18-1/28 27/18-3/28 27/54-1/28 27/18-1/84 27/18-5/28 27/90-1/28 27/18-7/28