Subtract 20/42 from 10/6
1st number: 1 4/6, 2nd number: 20/42
10/6 - 20/42 is 25/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
10/6 = 10 × 7/6 × 7 = 70/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Subtract the two like fractions:
70/42 - 20/42 = 70 - 20/42 = 50/42 - After reducing the fraction, the answer is 25/21
- In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/6-20/42 10/6-40/42 10/12-20/42 10/6-20/84 30/6-20/42 10/6-60/42 10/18-20/42 50/6-20/42 10/30-20/42 70/6-20/42 10/42-20/42