Subtract 9/27 from 42/36
1st number: 1 6/36, 2nd number: 9/27
42/36 - 9/27 is 5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
42/36 = 42 × 3/36 × 3 = 126/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
9/27 = 9 × 4/27 × 4 = 36/108 - Subtract the two like fractions:
126/108 - 36/108 = 126 - 36/108 = 90/108 - After reducing the fraction, the answer is 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36-9/27 42/36-18/27 42/72-9/27 42/36-9/54 42/36-9/81 42/36-45/27 42/36-63/27