Subtract 2/9 from 25/42
25/42 - 2/9 is 47/126.
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,
25/42 = 25 × 3/42 × 3 = 75/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
2/9 = 2 × 14/9 × 14 = 28/126 - Subtract the two like fractions:
75/126 - 28/126 = 75 - 28/126 = 47/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-2/9 25/42-4/9 25/84-2/9 25/42-2/18 75/42-2/9 25/42-6/9 25/42-2/27 25/42-10/9 25/42-2/45 25/42-14/9 25/42-2/63