Subtract 18/4 from 84/80
1st number: 1 4/80, 2nd number: 4 2/4
84/80 - 18/4 is -69/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
18/4 = 18 × 20/4 × 20 = 360/80 - Subtract the two like fractions:
84/80 - 360/80 = 84 - 360/80 = -276/80 - After reducing the fraction, the answer is -69/20
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