Subtract 63/28 from 84/12
1st number: 7 0/12, 2nd number: 2 7/28
84/12 - 63/28 is 19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
63/28 = 63 × 3/28 × 3 = 189/84 - Subtract the two like fractions:
588/84 - 189/84 = 588 - 189/84 = 399/84 - After reducing the fraction, the answer is 19/4
- In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-63/28 84/12-63/56 84/36-63/28 84/12-63/84 84/60-63/28