Subtract 36/10 from 45/20
1st number: 2 5/20, 2nd number: 3 6/10
45/20 - 36/10 is -27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
36/10 = 36 × 2/10 × 2 = 72/20 - Subtract the two like fractions:
45/20 - 72/20 = 45 - 72/20 = -27/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-36/10 45/20-72/10 45/40-36/10 45/20-36/20 45/60-36/10 45/20-36/30 45/20-36/50 45/20-36/70