Subtract 10/45 from 27/28
27/28 - 10/45 is 187/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
27/28 = 27 × 45/28 × 45 = 1215/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
10/45 = 10 × 28/45 × 28 = 280/1260 - Subtract the two like fractions:
1215/1260 - 280/1260 = 1215 - 280/1260 = 935/1260 - After reducing the fraction, the answer is 187/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-10/45 27/28-20/45 27/56-10/45 27/28-10/90 81/28-10/45 27/28-30/45 27/84-10/45 27/28-50/45 27/28-70/45