Subtract 20/36 from 36/28
1st number: 1 8/28, 2nd number: 20/36
36/28 - 20/36 is 46/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
36/28 = 36 × 9/28 × 9 = 324/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Subtract the two like fractions:
324/252 - 140/252 = 324 - 140/252 = 184/252 - After reducing the fraction, the answer is 46/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28-20/36 36/28-40/36 36/56-20/36 36/28-20/72 36/28-60/36 36/84-20/36