Subtract 30/28 from 10/4
1st number: 2 2/4, 2nd number: 1 2/28
10/4 - 30/28 is 10/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
10/4 = 10 × 7/4 × 7 = 70/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
30/28 = 30 × 1/28 × 1 = 30/28 - Subtract the two like fractions:
70/28 - 30/28 = 70 - 30/28 = 40/28 - After reducing the fraction, the answer is 10/7
- In mixed form: 13/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4-30/28 10/4-60/28 10/8-30/28 10/4-30/56 30/4-30/28 10/4-90/28 10/12-30/28 10/4-30/84 50/4-30/28 10/20-30/28 70/4-30/28 10/28-30/28