Subtract 9/14 from 28/63
28/63 - 9/14 is -25/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
28/63 = 28 × 2/63 × 2 = 56/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
9/14 = 9 × 9/14 × 9 = 81/126 - Subtract the two like fractions:
56/126 - 81/126 = 56 - 81/126 = -25/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-9/14 28/63-18/14 28/63-9/28 84/63-9/14 28/63-27/14 28/63-9/42 28/63-45/14 28/63-9/70 28/63-63/14 28/63-9/98