Subtract 16/45 from 2/5
2/5 - 16/45 is 2/45.
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,
16/45 = 16 × 1/45 × 1 = 16/45 - Subtract the two like fractions:
18/45 - 16/45 = 18 - 16/45 = 2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-16/45 2/5-32/45 2/10-16/45 2/5-16/90 6/5-16/45 2/5-48/45 2/15-16/45 10/5-16/45 2/5-80/45 2/25-16/45 14/5-16/45 2/35-16/45