Subtract 45/36 from 84/20
1st number: 4 4/20, 2nd number: 1 9/36
84/20 - 45/36 is 59/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Subtract the two like fractions:
756/180 - 225/180 = 756 - 225/180 = 531/180 - After reducing the fraction, the answer is 59/20
- In mixed form: 219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-90/36 84/40-45/36 84/20-45/72 84/60-45/36