Subtract 75/30 from 84/12
1st number: 7 0/12, 2nd number: 2 15/30
84/12 - 75/30 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
84/12 = 84 × 5/12 × 5 = 420/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
75/30 = 75 × 2/30 × 2 = 150/60 - Subtract the two like fractions:
420/60 - 150/60 = 420 - 150/60 = 270/60 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-75/30 84/12-75/60 84/36-75/30 84/12-75/90 84/60-75/30