Subtract 42/14 from 28/60
1st number: 28/60, 2nd number: 3 0/14
28/60 - 42/14 is -38/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
42/14 = 42 × 30/14 × 30 = 1260/420 - Subtract the two like fractions:
196/420 - 1260/420 = 196 - 1260/420 = -1064/420 - After reducing the fraction, the answer is -38/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60-42/14 28/60-84/14 28/60-42/28 84/60-42/14 28/60-42/70 28/60-42/98