Subtract 50/84 from 90/56
1st number: 1 34/56, 2nd number: 50/84
90/56 - 50/84 is 85/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
50/84 = 50 × 2/84 × 2 = 100/168 - Subtract the two like fractions:
270/168 - 100/168 = 270 - 100/168 = 170/168 - After reducing the fraction, the answer is 85/84
- In mixed form: 11/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: