Subtract 32/36 from 36/80
36/80 - 32/36 is -79/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
36/80 = 36 × 9/80 × 9 = 324/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
32/36 = 32 × 20/36 × 20 = 640/720 - Subtract the two like fractions:
324/720 - 640/720 = 324 - 640/720 = -316/720 - After reducing the fraction, the answer is -79/180
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