Subtract 10/90 from 84/56
1st number: 1 28/56, 2nd number: 10/90
84/56 - 10/90 is 25/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
84/56 = 84 × 45/56 × 45 = 3780/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
10/90 = 10 × 28/90 × 28 = 280/2520 - Subtract the two like fractions:
3780/2520 - 280/2520 = 3780 - 280/2520 = 3500/2520 - After reducing the fraction, the answer is 25/18
- In mixed form: 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56-20/90 84/56-30/90 84/56-50/90 84/56-70/90