Subtract 45/4 from 18/80
1st number: 18/80, 2nd number: 11 1/4
18/80 - 45/4 is -441/40.
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,
18/80 = 18 × 1/80 × 1 = 18/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
45/4 = 45 × 20/4 × 20 = 900/80 - Subtract the two like fractions:
18/80 - 900/80 = 18 - 900/80 = -882/80 - After reducing the fraction, the answer is -441/40
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