Subtract 84/12 from 5/90
1st number: 5/90, 2nd number: 7 0/12
5/90 - 84/12 is -125/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
84/12 = 84 × 15/12 × 15 = 1260/180 - Subtract the two like fractions:
10/180 - 1260/180 = 10 - 1260/180 = -1250/180 - After reducing the fraction, the answer is -125/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90-84/12 5/90-84/24 15/90-84/12 5/90-84/36 25/90-84/12 5/90-84/60 35/90-84/12