Subtract 18/42 from 8/3
1st number: 2 2/3, 2nd number: 18/42
8/3 - 18/42 is 47/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
8/3 = 8 × 14/3 × 14 = 112/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Subtract the two like fractions:
112/42 - 18/42 = 112 - 18/42 = 94/42 - After reducing the fraction, the answer is 47/21
- In mixed form: 25/21
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