Subtract 3/36 from 75/20
1st number: 3 15/20, 2nd number: 3/36
75/20 - 3/36 is 11/3.
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,
75/20 = 75 × 9/20 × 9 = 675/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
3/36 = 3 × 5/36 × 5 = 15/180 - Subtract the two like fractions:
675/180 - 15/180 = 675 - 15/180 = 660/180 - After reducing the fraction, the answer is 11/3
- In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-6/36 75/40-3/36 75/20-3/72 75/20-9/36 75/60-3/36 75/20-15/36 75/20-21/36