Subtract 24/28 from 3/36
3/36 - 24/28 is -65/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
24/28 = 24 × 9/28 × 9 = 216/252 - Subtract the two like fractions:
21/252 - 216/252 = 21 - 216/252 = -195/252 - After reducing the fraction, the answer is -65/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36-24/28 3/36-48/28 3/72-24/28 3/36-24/56 9/36-24/28 3/36-72/28 3/36-24/84 15/36-24/28 21/36-24/28