Subtract 3/4 from 2/20
2/20 - 3/4 is -13/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
3/4 = 3 × 5/4 × 5 = 15/20 - Subtract the two like fractions:
2/20 - 15/20 = 2 - 15/20 = -13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-3/4 2/20-6/4 2/40-3/4 2/20-3/8 6/20-3/4 2/20-9/4 2/60-3/4 2/20-3/12 10/20-3/4 2/20-15/4 2/20-3/20 14/20-3/4 2/20-21/4 2/20-3/28