Subtract 80/20 from 10/75
1st number: 10/75, 2nd number: 4 0/20
10/75 - 80/20 is -58/15.
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,
10/75 = 10 × 4/75 × 4 = 40/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
80/20 = 80 × 15/20 × 15 = 1200/300 - Subtract the two like fractions:
40/300 - 1200/300 = 40 - 1200/300 = -1160/300 - After reducing the fraction, the answer is -58/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75-80/20 10/75-80/40 30/75-80/20 10/75-80/60 50/75-80/20 70/75-80/20