Subtract 7/84 from 28/36
28/36 - 7/84 is 25/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Subtract the two like fractions:
196/252 - 21/252 = 196 - 21/252 = 175/252 - After reducing the fraction, the answer is 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-7/84 28/36-14/84 28/72-7/84 84/36-7/84 28/36-21/84 28/36-35/84 28/36-49/84