Subtract 10/20 from 75/4
1st number: 18 3/4, 2nd number: 10/20
75/4 - 10/20 is 73/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
75/4 = 75 × 5/4 × 5 = 375/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
10/20 = 10 × 1/20 × 1 = 10/20 - Subtract the two like fractions:
375/20 - 10/20 = 375 - 10/20 = 365/20 - After reducing the fraction, the answer is 73/4
- In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/8-10/20 75/4-10/40 75/4-30/20 75/12-10/20 75/4-10/60 75/4-50/20 75/20-10/20 75/4-70/20 75/28-10/20