Subtract 28/60 from 14/42
14/42 - 28/60 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
14/42 = 14 × 10/42 × 10 = 140/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Subtract the two like fractions:
140/420 - 196/420 = 140 - 196/420 = -56/420 - After reducing the fraction, the answer is -2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42-28/60 14/42-56/60 14/84-28/60 14/42-84/60 70/42-28/60 98/42-28/60