Subtract 2/20 from 36/40
36/40 - 2/20 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
36/40 = 36 × 1/40 × 1 = 36/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
2/20 = 2 × 2/20 × 2 = 4/40 - Subtract the two like fractions:
36/40 - 4/40 = 36 - 4/40 = 32/40 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40-2/20 36/40-4/20 36/80-2/20 36/40-2/40 36/40-6/20 36/40-2/60 36/40-10/20 36/40-14/20