Subtract 4/36 from 42/8
1st number: 5 2/8, 2nd number: 4/36
42/8 - 4/36 is 185/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
4/36 = 4 × 2/36 × 2 = 8/72 - Subtract the two like fractions:
378/72 - 8/72 = 378 - 8/72 = 370/72 - After reducing the fraction, the answer is 185/36
- In mixed form: 55/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-4/36 42/8-8/36 42/16-4/36 42/8-4/72 42/8-12/36 42/24-4/36 42/8-20/36 42/40-4/36 42/8-28/36 42/56-4/36