Subtract 54/84 from 1/18
1/18 - 54/84 is -37/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
1/18 = 1 × 14/18 × 14 = 14/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
54/84 = 54 × 3/84 × 3 = 162/252 - Subtract the two like fractions:
14/252 - 162/252 = 14 - 162/252 = -148/252 - After reducing the fraction, the answer is -37/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-54/84 1/36-54/84 3/18-54/84 1/54-54/84 5/18-54/84 1/90-54/84 7/18-54/84