Subtract 16/6 from 28/42
1st number: 28/42, 2nd number: 2 4/6
28/42 - 16/6 is -2/1.
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,
16/6 = 16 × 7/6 × 7 = 112/42 - Subtract the two like fractions:
28/42 - 112/42 = 28 - 112/42 = -84/42 - After reducing the fraction, the answer is -2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-16/6 28/42-32/6 28/84-16/6 28/42-16/12 84/42-16/6 28/42-48/6 28/42-16/18 28/42-80/6 28/42-16/30 28/42-16/42