Subtract 2/9 from 2/42
2/42 - 2/9 is -11/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
2/42 = 2 × 3/42 × 3 = 6/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
2/9 = 2 × 14/9 × 14 = 28/126 - Subtract the two like fractions:
6/126 - 28/126 = 6 - 28/126 = -22/126 - After reducing the fraction, the answer is -11/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42-2/9 2/42-4/9 2/84-2/9 2/42-2/18 6/42-2/9 2/42-6/9 2/42-2/27 10/42-2/9 2/42-10/9 2/42-2/45 14/42-2/9 2/42-14/9 2/42-2/63