Subtract 10/28 from 70/4
1st number: 17 2/4, 2nd number: 10/28
70/4 - 10/28 is 120/7.
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,
70/4 = 70 × 7/4 × 7 = 490/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
10/28 = 10 × 1/28 × 1 = 10/28 - Subtract the two like fractions:
490/28 - 10/28 = 490 - 10/28 = 480/28 - After reducing the fraction, the answer is 120/7
- In mixed form: 171/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-20/28 70/8-10/28 70/4-10/56 70/4-30/28 70/12-10/28 70/4-10/84 70/4-50/28 70/20-10/28 70/4-70/28 70/28-10/28