Subtract 20/63 from 36/28
1st number: 1 8/28, 2nd number: 20/63
36/28 - 20/63 is 61/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 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 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Subtract the two like fractions:
324/252 - 80/252 = 324 - 80/252 = 244/252 - After reducing the fraction, the answer is 61/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28-20/63 36/28-40/63 36/56-20/63 36/28-60/63 36/84-20/63