Subtract 12/28 from 10/18
10/18 - 12/28 is 8/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
10/18 = 10 × 14/18 × 14 = 140/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
12/28 = 12 × 9/28 × 9 = 108/252 - Subtract the two like fractions:
140/252 - 108/252 = 140 - 108/252 = 32/252 - After reducing the fraction, the answer is 8/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-12/28 10/18-24/28 10/36-12/28 10/18-12/56 30/18-12/28 10/18-36/28 10/54-12/28 10/18-12/84 50/18-12/28 10/18-60/28 10/90-12/28 70/18-12/28 10/18-84/28