Subtract 90/14 from 2/42
1st number: 2/42, 2nd number: 6 6/14
2/42 - 90/14 is -134/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
2/42 = 2 × 1/42 × 1 = 2/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42 - Subtract the two like fractions:
2/42 - 270/42 = 2 - 270/42 = -268/42 - After reducing the fraction, the answer is -134/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42-90/14 2/84-90/14 2/42-90/28 6/42-90/14 2/42-90/42 10/42-90/14 2/42-90/70 14/42-90/14 2/42-90/98