Subtract 42/8 from 1/36
1st number: 1/36, 2nd number: 5 2/8
1/36 - 42/8 is -47/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
1/36 = 1 × 2/36 × 2 = 2/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Subtract the two like fractions:
2/72 - 378/72 = 2 - 378/72 = -376/72 - After reducing the fraction, the answer is -47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36-42/8 1/36-84/8 1/72-42/8 1/36-42/16 3/36-42/8 1/36-42/24 5/36-42/8 1/36-42/40 7/36-42/8 1/36-42/56