Subtract 27/9 from 35/2, Solve 17 1/2

Subtract 27/9 from 35/2

1^st number: 17 1/2, 2^nd number: 3 0/9

35/2 - 27/9 is 29/2.

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,
35/2 = 35 × 9/2 × 9 = 315/18
Likewise, for the 2nd fraction, since 9 × 2 = 18,
27/9 = 27 × 2/9 × 2 = 54/18
Subtract the two like fractions:
315/18 - 54/18 = 315 - 54/18 = 261/18
After reducing the fraction, the answer is 29/2
In mixed form: 141/2

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad