Subtract 50/30 from 84/75
1st number: 1 9/75, 2nd number: 1 20/30
84/75 - 50/30 is -41/75.
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,
84/75 = 84 × 2/75 × 2 = 168/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
50/30 = 50 × 5/30 × 5 = 250/150 - Subtract the two like fractions:
168/150 - 250/150 = 168 - 250/150 = -82/150 - After reducing the fraction, the answer is -41/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-50/60 84/75-50/90