Subtract 30/12 from 25/75
1st number: 25/75, 2nd number: 2 6/12
25/75 - 30/12 is -13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
25/75 = 25 × 4/75 × 4 = 100/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
30/12 = 30 × 25/12 × 25 = 750/300 - Subtract the two like fractions:
100/300 - 750/300 = 100 - 750/300 = -650/300 - After reducing the fraction, the answer is -13/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75-30/12 25/75-60/12 25/75-30/24 25/75-90/12 25/75-30/36 25/75-30/60 25/75-30/84