Subtract 21/6 from 75/4, Solve 18 3/4

Subtract 21/6 from 75/4

1^st number: 18 3/4, 2^nd number: 3 3/6

75/4 - 21/6 is 61/4.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 4 × 3 = 12,
75/4 = 75 × 3/4 × 3 = 225/12
Likewise, for the 2nd fraction, since 6 × 2 = 12,
21/6 = 21 × 2/6 × 2 = 42/12
Subtract the two like fractions:
225/12 - 42/12 = 225 - 42/12 = 183/12
After reducing the fraction, the answer is 61/4
In mixed form: 151/4

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