Subtract 45/3 from 42/18
1st number: 2 6/18, 2nd number: 15 0/3
42/18 - 45/3 is -38/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
42/18 = 42 × 1/18 × 1 = 42/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
45/3 = 45 × 6/3 × 6 = 270/18 - Subtract the two like fractions:
42/18 - 270/18 = 42 - 270/18 = -228/18 - After reducing the fraction, the answer is -38/3
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