Subtract 90/25 from 6/12
1st number: 6/12, 2nd number: 3 15/25
6/12 - 90/25 is -31/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
6/12 = 6 × 25/12 × 25 = 150/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
90/25 = 90 × 12/25 × 12 = 1080/300 - Subtract the two like fractions:
150/300 - 1080/300 = 150 - 1080/300 = -930/300 - After reducing the fraction, the answer is -31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-90/25 6/12-90/50 18/12-90/25 6/36-90/25 6/12-90/75 30/12-90/25 6/60-90/25 42/12-90/25 6/84-90/25