Subtract 42/6 from 18/4
1st number: 4 2/4, 2nd number: 7 0/6
18/4 - 42/6 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
18/4 = 18 × 3/4 × 3 = 54/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
42/6 = 42 × 2/6 × 2 = 84/12 - Subtract the two like fractions:
54/12 - 84/12 = 54 - 84/12 = -30/12 - After reducing the fraction, the answer is -5/2
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