Subtract 84/18 from 5/75
1st number: 5/75, 2nd number: 4 12/18
5/75 - 84/18 is -23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
5/75 = 5 × 6/75 × 6 = 30/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
84/18 = 84 × 25/18 × 25 = 2100/450 - Subtract the two like fractions:
30/450 - 2100/450 = 30 - 2100/450 = -2070/450 - After reducing the fraction, the answer is -23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/75-84/18 5/75-84/36 15/75-84/18 5/75-84/54 25/75-84/18 5/75-84/90 35/75-84/18