Subtract 84/42 from 15/6
1st number: 2 3/6, 2nd number: 2 0/42
15/6 - 84/42 is 1/2.
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,
15/6 = 15 × 7/6 × 7 = 105/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
84/42 = 84 × 1/42 × 1 = 84/42 - Subtract the two like fractions:
105/42 - 84/42 = 105 - 84/42 = 21/42 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-84/42 15/12-84/42 45/6-84/42 15/18-84/42 75/6-84/42 15/30-84/42 15/42-84/42