Subtract 2/15 from 3/20
3/20 - 2/15 is 1/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
3/20 = 3 × 3/20 × 3 = 9/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
2/15 = 2 × 4/15 × 4 = 8/60 - Subtract the two like fractions:
9/60 - 8/60 = 9 - 8/60 = 1/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20-2/15 3/20-4/15 3/40-2/15 3/20-2/30 9/20-2/15 3/20-6/15 3/60-2/15 3/20-2/45 15/20-2/15 3/20-10/15 3/20-2/75 21/20-2/15 3/20-14/15