Subtract 32/18 from 42/4
1st number: 10 2/4, 2nd number: 1 14/18
42/4 - 32/18 is 157/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
32/18 = 32 × 2/18 × 2 = 64/36 - Subtract the two like fractions:
378/36 - 64/36 = 378 - 64/36 = 314/36 - After reducing the fraction, the answer is 157/18
- In mixed form: 813/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-32/18 42/4-64/18 42/8-32/18 42/4-32/36 42/4-96/18 42/12-32/18 42/4-32/54 42/20-32/18 42/4-32/90 42/28-32/18