Subtract 42/10 from 84/12
1st number: 7 0/12, 2nd number: 4 2/10
84/12 - 42/10 is 14/5.
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,
42/10 = 42 × 6/10 × 6 = 252/60 - Subtract the two like fractions:
420/60 - 252/60 = 420 - 252/60 = 168/60 - After reducing the fraction, the answer is 14/5
- In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-84/10 84/24-42/10 84/12-42/20 84/36-42/10 84/12-42/30 84/60-42/10 84/12-42/50 84/12-42/70