Subtract 50/25 from 75/20
1st number: 3 15/20, 2nd number: 2 0/25
75/20 - 50/25 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
75/20 = 75 × 5/20 × 5 = 375/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
50/25 = 50 × 4/25 × 4 = 200/100 - Subtract the two like fractions:
375/100 - 200/100 = 375 - 200/100 = 175/100 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40-50/25 75/60-50/25 75/20-50/75