Subtract 28/14 from 49/42
1st number: 1 7/42, 2nd number: 2 0/14
49/42 - 28/14 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
49/42 = 49 × 1/42 × 1 = 49/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
28/14 = 28 × 3/14 × 3 = 84/42 - Subtract the two like fractions:
49/42 - 84/42 = 49 - 84/42 = -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: 98/42-28/14 49/42-56/14 49/84-28/14 49/42-84/14 49/42-28/42 49/42-28/70 49/42-28/98