Subtract 45/36 from 28/14
1st number: 2 0/14, 2nd number: 1 9/36
28/14 - 45/36 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
28/14 = 28 × 18/14 × 18 = 504/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252 - Subtract the two like fractions:
504/252 - 315/252 = 504 - 315/252 = 189/252 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-45/36 28/14-90/36 28/14-45/72 84/14-45/36 28/42-45/36 28/70-45/36 28/98-45/36