Subtract 10/28 from 40/14
1st number: 2 12/14, 2nd number: 10/28
40/14 - 10/28 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
40/14 = 40 × 2/14 × 2 = 80/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
10/28 = 10 × 1/28 × 1 = 10/28 - Subtract the two like fractions:
80/28 - 10/28 = 80 - 10/28 = 70/28 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-10/28 40/14-20/28 40/28-10/28 40/14-10/56 40/14-30/28 40/42-10/28 40/14-10/84 40/14-50/28 40/70-10/28 40/14-70/28 40/98-10/28