Subtract 72/4 from 8/36
1st number: 8/36, 2nd number: 18 0/4
8/36 - 72/4 is -160/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
8/36 = 8 × 1/36 × 1 = 8/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
72/4 = 72 × 9/4 × 9 = 648/36 - Subtract the two like fractions:
8/36 - 648/36 = 8 - 648/36 = -640/36 - After reducing the fraction, the answer is -160/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/36-72/4 8/72-72/4 8/36-72/8 24/36-72/4 8/36-72/12 40/36-72/4 8/36-72/20 56/36-72/4 8/36-72/28