Subtract 12/84 from 7/5
1st number: 1 2/5, 2nd number: 12/84
7/5 - 12/84 is 44/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
7/5 = 7 × 84/5 × 84 = 588/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Subtract the two like fractions:
588/420 - 60/420 = 588 - 60/420 = 528/420 - After reducing the fraction, the answer is 44/35
- In mixed form: 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-12/84 7/5-24/84 7/10-12/84 21/5-12/84 7/5-36/84 7/15-12/84 35/5-12/84 7/5-60/84 7/25-12/84 49/5-12/84 7/35-12/84