Subtract 36/45 from 2/80
2/80 - 36/45 is -31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
2/80 = 2 × 9/80 × 9 = 18/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
36/45 = 36 × 16/45 × 16 = 576/720 - Subtract the two like fractions:
18/720 - 576/720 = 18 - 576/720 = -558/720 - After reducing the fraction, the answer is -31/40
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