Subtract 30/42 from 35/2, Solve 17 1/2

Subtract 30/42 from 35/2

1^st number: 17 1/2, 2^nd number: 30/42

35/2 - 30/42 is 235/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
35/2 = 35 × 21/2 × 21 = 735/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
30/42 = 30 × 1/42 × 1 = 30/42
Subtract the two like fractions:
735/42 - 30/42 = 735 - 30/42 = 705/42
After reducing the fraction, the answer is 235/14
In mixed form: 1611/14

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