Subtract 35/9 from 81/2
1st number: 40 1/2, 2nd number: 3 8/9
81/2 - 35/9 is 659/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
81/2 = 81 × 9/2 × 9 = 729/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
35/9 = 35 × 2/9 × 2 = 70/18 - Subtract the two like fractions:
729/18 - 70/18 = 729 - 70/18 = 659/18 - In mixed form: 3611/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/2-70/9 81/4-35/9 81/2-35/18 81/6-35/9 81/2-35/27 81/10-35/9 81/2-35/45 81/14-35/9 81/2-35/63