Subtract 45/10 from 84/75
1st number: 1 9/75, 2nd number: 4 5/10
84/75 - 45/10 is -169/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 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 10 × 15 = 150,
45/10 = 45 × 15/10 × 15 = 675/150 - Subtract the two like fractions:
168/150 - 675/150 = 168 - 675/150 = -507/150 - After reducing the fraction, the answer is -169/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-90/10 84/75-45/20 84/75-45/30 84/75-45/50 84/75-45/70