Subtract 36/80 from 54/90
54/90 - 36/80 is 3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
54/90 = 54 × 8/90 × 8 = 432/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
36/80 = 36 × 9/80 × 9 = 324/720 - Subtract the two like fractions:
432/720 - 324/720 = 432 - 324/720 = 108/720 - After reducing the fraction, the answer is 3/20
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