Subtract 42/3 from 54/14
1st number: 3 12/14, 2nd number: 14 0/3
54/14 - 42/3 is -71/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
54/14 = 54 × 3/14 × 3 = 162/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
42/3 = 42 × 14/3 × 14 = 588/42 - Subtract the two like fractions:
162/42 - 588/42 = 162 - 588/42 = -426/42 - After reducing the fraction, the answer is -71/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-84/3 54/28-42/3 54/14-42/6 54/42-42/3 54/14-42/9 54/70-42/3 54/14-42/15 54/98-42/3 54/14-42/21