Subtract 1/28 from 28/63
28/63 - 1/28 is 103/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
1/28 = 1 × 9/28 × 9 = 9/252 - Subtract the two like fractions:
112/252 - 9/252 = 112 - 9/252 = 103/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-1/28 28/63-2/28 28/63-1/56 84/63-1/28 28/63-3/28 28/63-1/84 28/63-5/28 28/63-7/28