Subtract 35/20 from 30/75
1st number: 30/75, 2nd number: 1 15/20
30/75 - 35/20 is -27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
30/75 = 30 × 4/75 × 4 = 120/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
35/20 = 35 × 15/20 × 15 = 525/300 - Subtract the two like fractions:
120/300 - 525/300 = 120 - 525/300 = -405/300 - After reducing the fraction, the answer is -27/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-35/20 30/75-70/20 30/75-35/40 90/75-35/20 30/75-35/60