Subtract 50/84 from 18/9
1st number: 2 0/9, 2nd number: 50/84
18/9 - 50/84 is 59/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
50/84 = 50 × 3/84 × 3 = 150/252 - Subtract the two like fractions:
504/252 - 150/252 = 504 - 150/252 = 354/252 - After reducing the fraction, the answer is 59/42
- In mixed form: 117/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9-50/84 54/9-50/84 18/27-50/84 90/9-50/84 18/45-50/84 18/63-50/84