Subtract 32/18 from 42/2
1st number: 21 0/2, 2nd number: 1 14/18
42/2 - 32/18 is 173/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
42/2 = 42 × 9/2 × 9 = 378/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
32/18 = 32 × 1/18 × 1 = 32/18 - Subtract the two like fractions:
378/18 - 32/18 = 378 - 32/18 = 346/18 - After reducing the fraction, the answer is 173/9
- In mixed form: 192/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-32/18 42/2-64/18 42/4-32/18 42/2-32/36 42/2-96/18 42/6-32/18 42/2-32/54 42/10-32/18 42/2-32/90 42/14-32/18