Subtract 7/9 from 42/36
1st number: 1 6/36, 2nd number: 7/9
42/36 - 7/9 is 7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
42/36 = 42 × 1/36 × 1 = 42/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
7/9 = 7 × 4/9 × 4 = 28/36 - Subtract the two like fractions:
42/36 - 28/36 = 42 - 28/36 = 14/36 - After reducing the fraction, the answer is 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36-7/9 42/36-14/9 42/72-7/9 42/36-7/18 42/36-21/9 42/36-7/27 42/36-35/9 42/36-7/45 42/36-49/9 42/36-7/63