Subtract 1/42 from 6/9
6/9 - 1/42 is 9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
6/9 = 6 × 14/9 × 14 = 84/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
1/42 = 1 × 3/42 × 3 = 3/126 - Subtract the two like fractions:
84/126 - 3/126 = 84 - 3/126 = 81/126 - After reducing the fraction, the answer is 9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-1/42 6/9-2/42 6/18-1/42 6/9-1/84 18/9-1/42 6/9-3/42 6/27-1/42 30/9-1/42 6/9-5/42 6/45-1/42 42/9-1/42 6/9-7/42 6/63-1/42