Subtract 10/28 from 18/9
1st number: 2 0/9, 2nd number: 10/28
18/9 - 10/28 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Subtract the two like fractions:
504/252 - 90/252 = 504 - 90/252 = 414/252 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9-10/28 18/9-20/28 18/9-10/56 54/9-10/28 18/9-30/28 18/27-10/28 18/9-10/84 90/9-10/28 18/9-50/28 18/45-10/28 18/9-70/28 18/63-10/28