Subtract 6/45 from 2/5
2/5 - 6/45 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
2/5 = 2 × 9/5 × 9 = 18/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
6/45 = 6 × 1/45 × 1 = 6/45 - Subtract the two like fractions:
18/45 - 6/45 = 18 - 6/45 = 12/45 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-6/45 2/5-12/45 2/10-6/45 2/5-6/90 6/5-6/45 2/5-18/45 2/15-6/45 10/5-6/45 2/5-30/45 2/25-6/45 14/5-6/45 2/5-42/45 2/35-6/45