Subtract 21/75 from 90/2, Solve 45 0/2

Subtract 21/75 from 90/2

1^st number: 45 0/2, 2^nd number: 21/75

90/2 - 21/75 is 1118/25.

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,
90/2 = 90 × 75/2 × 75 = 6750/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150
Subtract the two like fractions:
6750/150 - 42/150 = 6750 - 42/150 = 6708/150
After reducing the fraction, the answer is 1118/25
In mixed form: 4418/25

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