Subtract 54/12 from 20/14
1st number: 1 6/14, 2nd number: 4 6/12
20/14 - 54/12 is -43/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
20/14 = 20 × 6/14 × 6 = 120/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
54/12 = 54 × 7/12 × 7 = 378/84 - Subtract the two like fractions:
120/84 - 378/84 = 120 - 378/84 = -258/84 - After reducing the fraction, the answer is -43/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-54/12 20/28-54/12 20/14-54/24 60/14-54/12 20/42-54/12 20/14-54/36 20/70-54/12 20/14-54/60 20/98-54/12 20/14-54/84