Subtract 6/75 from 42/2, Solve 21 0/2

Subtract 6/75 from 42/2

1^st number: 21 0/2, 2^nd number: 6/75

42/2 - 6/75 is 523/25.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 2 × 75 = 150,
42/2 = 42 × 75/2 × 75 = 3150/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
6/75 = 6 × 2/75 × 2 = 12/150
Subtract the two like fractions:
3150/150 - 12/150 = 3150 - 12/150 = 3138/150
After reducing the fraction, the answer is 523/25
In mixed form: 2023/25

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