Subtract 20/3 from 70/4
1st number: 17 2/4, 2nd number: 6 2/3
70/4 - 20/3 is 65/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
20/3 = 20 × 4/3 × 4 = 80/12 - Subtract the two like fractions:
210/12 - 80/12 = 210 - 80/12 = 130/12 - After reducing the fraction, the answer is 65/6
- In mixed form: 105/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-40/3 70/8-20/3 70/4-20/6 70/4-60/3 70/12-20/3 70/4-20/9 70/20-20/3 70/4-20/15 70/28-20/3 70/4-20/21