Subtract 9/75 from 40/20
1st number: 2 0/20, 2nd number: 9/75
40/20 - 9/75 is 47/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
40/20 = 40 × 15/20 × 15 = 600/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
9/75 = 9 × 4/75 × 4 = 36/300 - Subtract the two like fractions:
600/300 - 36/300 = 600 - 36/300 = 564/300 - After reducing the fraction, the answer is 47/25
- In mixed form: 122/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-9/75 40/20-18/75 40/20-27/75 40/60-9/75 40/20-45/75 40/20-63/75