Subtract 12/84 from 36/28
1st number: 1 8/28, 2nd number: 12/84
36/28 - 12/84 is 8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
36/28 = 36 × 3/28 × 3 = 108/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84 - Subtract the two like fractions:
108/84 - 12/84 = 108 - 12/84 = 96/84 - After reducing the fraction, the answer is 8/7
- In mixed form: 11/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28-12/84 36/28-24/84 36/56-12/84 36/28-36/84 36/84-12/84 36/28-60/84