Subtract 36/4 from 36/20
1st number: 1 16/20, 2nd number: 9 0/4
36/20 - 36/4 is -36/5.
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,
36/20 = 36 × 1/20 × 1 = 36/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
36/4 = 36 × 5/4 × 5 = 180/20 - Subtract the two like fractions:
36/20 - 180/20 = 36 - 180/20 = -144/20 - After reducing the fraction, the answer is -36/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20-36/4 36/20-72/4 36/40-36/4 36/20-36/8 36/60-36/4 36/20-36/12 36/20-36/20 36/20-36/28