Subtract 10/4 from 7/28
1st number: 7/28, 2nd number: 2 2/4
7/28 - 10/4 is -9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
7/28 = 7 × 1/28 × 1 = 7/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
10/4 = 10 × 7/4 × 7 = 70/28 - Subtract the two like fractions:
7/28 - 70/28 = 7 - 70/28 = -63/28 - After reducing the fraction, the answer is -9/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-10/4 7/28-20/4 7/56-10/4 7/28-10/8 21/28-10/4 7/28-30/4 7/84-10/4 7/28-10/12 35/28-10/4 7/28-50/4 7/28-10/20 49/28-10/4 7/28-70/4 7/28-10/28