Subtract 81/84 from 35/2
1st number: 17 1/2, 2nd number: 81/84
35/2 - 81/84 is 463/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
35/2 = 35 × 42/2 × 42 = 1470/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Subtract the two like fractions:
1470/84 - 81/84 = 1470 - 81/84 = 1389/84 - After reducing the fraction, the answer is 463/28
- In mixed form: 1615/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-81/84 35/4-81/84 35/6-81/84 35/10-81/84 35/14-81/84