Subtract 9/6 from 28/42
1st number: 28/42, 2nd number: 1 3/6
28/42 - 9/6 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
9/6 = 9 × 7/6 × 7 = 63/42 - Subtract the two like fractions:
28/42 - 63/42 = 28 - 63/42 = -35/42 - After reducing the fraction, the answer is -5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-9/6 28/42-18/6 28/84-9/6 28/42-9/12 84/42-9/6 28/42-27/6 28/42-9/18 28/42-45/6 28/42-9/30 28/42-63/6 28/42-9/42