Subtract 14/28 from 28/42
28/42 - 14/28 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
28/42 = 28 × 2/42 × 2 = 56/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
14/28 = 14 × 3/28 × 3 = 42/84 - Subtract the two like fractions:
56/84 - 42/84 = 56 - 42/84 = 14/84 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-14/28 28/84-14/28 28/42-14/56 84/42-14/28 28/42-42/28 28/42-14/84 28/42-70/28 28/42-98/28