Subtract 8/42 from 10/3
1st number: 3 1/3, 2nd number: 8/42
10/3 - 8/42 is 22/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
10/3 = 10 × 14/3 × 14 = 140/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
8/42 = 8 × 1/42 × 1 = 8/42 - Subtract the two like fractions:
140/42 - 8/42 = 140 - 8/42 = 132/42 - After reducing the fraction, the answer is 22/7
- In mixed form: 31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/3-8/42 10/3-16/42 10/6-8/42 10/3-8/84 30/3-8/42 10/3-24/42 10/9-8/42 50/3-8/42 10/3-40/42 10/15-8/42 70/3-8/42 10/3-56/42 10/21-8/42