Subtract 36/20 from 45/10
1st number: 4 5/10, 2nd number: 1 16/20
45/10 - 36/20 is 27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
45/10 = 45 × 2/10 × 2 = 90/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
36/20 = 36 × 1/20 × 1 = 36/20 - Subtract the two like fractions:
90/20 - 36/20 = 90 - 36/20 = 54/20 - After reducing the fraction, the answer is 27/10
- In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-36/20 45/10-72/20 45/20-36/20 45/10-36/40 45/30-36/20 45/10-36/60 45/50-36/20 45/70-36/20