Subtract 27/28 from 45/3
1st number: 15 0/3, 2nd number: 27/28
45/3 - 27/28 is 393/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
45/3 = 45 × 28/3 × 28 = 1260/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
27/28 = 27 × 3/28 × 3 = 81/84 - Subtract the two like fractions:
1260/84 - 81/84 = 1260 - 81/84 = 1179/84 - After reducing the fraction, the answer is 393/28
- In mixed form: 141/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3-27/28 45/3-54/28 45/6-27/28 45/3-27/56 45/3-81/28 45/9-27/28 45/3-27/84 45/15-27/28 45/21-27/28