Subtract 42/54 from 2/6
2/6 - 42/54 is -4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
2/6 = 2 × 9/6 × 9 = 18/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Subtract the two like fractions:
18/54 - 42/54 = 18 - 42/54 = -24/54 - After reducing the fraction, the answer is -4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/6-42/54 2/6-84/54 2/12-42/54 2/18-42/54 10/6-42/54 2/30-42/54 14/6-42/54 2/42-42/54