Subtract 45/80 from 2/4
2/4 - 45/80 is -1/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
2/4 = 2 × 20/4 × 20 = 40/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Subtract the two like fractions:
40/80 - 45/80 = 40 - 45/80 = -5/80 - After reducing the fraction, the answer is -1/16
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