Subtract 6/28 from 70/4
1st number: 17 2/4, 2nd number: 6/28
70/4 - 6/28 is 121/7.
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,
6/28 = 6 × 1/28 × 1 = 6/28 - Subtract the two like fractions:
490/28 - 6/28 = 490 - 6/28 = 484/28 - After reducing the fraction, the answer is 121/7
- In mixed form: 172/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-12/28 70/8-6/28 70/4-6/56 70/4-18/28 70/12-6/28 70/4-6/84 70/4-30/28 70/20-6/28 70/4-42/28 70/28-6/28