Subtract 50/84 from 27/18
1st number: 1 9/18, 2nd number: 50/84
27/18 - 50/84 is 19/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
27/18 = 27 × 14/18 × 14 = 378/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
50/84 = 50 × 3/84 × 3 = 150/252 - Subtract the two like fractions:
378/252 - 150/252 = 378 - 150/252 = 228/252 - After reducing the fraction, the answer is 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-50/84 27/36-50/84 81/18-50/84 27/54-50/84 27/90-50/84