Subtract 3/10 from 84/12
1st number: 7 0/12, 2nd number: 3/10
84/12 - 3/10 is 67/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 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 10 × 6 = 60,
3/10 = 3 × 6/10 × 6 = 18/60 - Subtract the two like fractions:
420/60 - 18/60 = 420 - 18/60 = 402/60 - After reducing the fraction, the answer is 67/10
- In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-6/10 84/24-3/10 84/12-3/20 84/12-9/10 84/36-3/10 84/12-3/30 84/12-15/10 84/60-3/10 84/12-3/50 84/12-21/10 84/12-3/70