Subtract 6/18 from 42/2, Solve 21 0/2

Subtract 6/18 from 42/2

1^st number: 21 0/2, 2^nd number: 6/18

42/2 - 6/18 is 62/3.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18

Next, find the equivalent fraction of both fractional numbers with denominator 18
For the 1st fraction, since 2 × 9 = 18,
42/2 = 42 × 9/2 × 9 = 378/18
Likewise, for the 2nd fraction, since 18 × 1 = 18,
6/18 = 6 × 1/18 × 1 = 6/18
Subtract the two like fractions:
378/18 - 6/18 = 378 - 6/18 = 372/18
After reducing the fraction, the answer is 62/3
In mixed form: 202/3

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