Subtract 1/42 from 45/2, Solve 22 1/2

Subtract 1/42 from 45/2

1^st number: 22 1/2, 2^nd number: 1/42

45/2 - 1/42 is 472/21.

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,
45/2 = 45 × 21/2 × 21 = 945/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
1/42 = 1 × 1/42 × 1 = 1/42
Subtract the two like fractions:
945/42 - 1/42 = 945 - 1/42 = 944/42
After reducing the fraction, the answer is 472/21
In mixed form: 2210/21

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