Subtract 18/4 from 45/40
1st number: 1 5/40, 2nd number: 4 2/4
45/40 - 18/4 is -27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
18/4 = 18 × 10/4 × 10 = 180/40 - Subtract the two like fractions:
45/40 - 180/40 = 45 - 180/40 = -135/40 - After reducing the fraction, the answer is -27/8
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