Subtract 4/84 from 12/10
1st number: 1 2/10, 2nd number: 4/84
12/10 - 4/84 is 121/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
12/10 = 12 × 42/10 × 42 = 504/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Subtract the two like fractions:
504/420 - 20/420 = 504 - 20/420 = 484/420 - After reducing the fraction, the answer is 121/105
- In mixed form: 116/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10-4/84 12/10-8/84 12/20-4/84 36/10-4/84 12/10-12/84 12/30-4/84 60/10-4/84 12/10-20/84 12/50-4/84 84/10-4/84 12/10-28/84 12/70-4/84