Subtract 12/42 from 63/28
1st number: 2 7/28, 2nd number: 12/42
63/28 - 12/42 is 55/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
63/28 = 63 × 3/28 × 3 = 189/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
12/42 = 12 × 2/42 × 2 = 24/84 - Subtract the two like fractions:
189/84 - 24/84 = 189 - 24/84 = 165/84 - After reducing the fraction, the answer is 55/28
- In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28-24/42 63/56-12/42 63/28-12/84 63/28-36/42 63/84-12/42 63/28-60/42 63/28-84/42