Subtract 4/42 from 14/2, Solve 7 0/2

Subtract 4/42 from 14/2

1^st number: 7 0/2, 2^nd number: 4/42

14/2 - 4/42 is 145/21.

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,
14/2 = 14 × 21/2 × 21 = 294/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
4/42 = 4 × 1/42 × 1 = 4/42
Subtract the two like fractions:
294/42 - 4/42 = 294 - 4/42 = 290/42
After reducing the fraction, the answer is 145/21
In mixed form: 619/21

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