Subtract 80/30 from 3/75
1st number: 3/75, 2nd number: 2 20/30
3/75 - 80/30 is -197/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
3/75 = 3 × 2/75 × 2 = 6/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
80/30 = 80 × 5/30 × 5 = 400/150 - Subtract the two like fractions:
6/150 - 400/150 = 6 - 400/150 = -394/150 - After reducing the fraction, the answer is -197/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-80/30 3/75-80/60 9/75-80/30 3/75-80/90 15/75-80/30 21/75-80/30