Subtract 45/25 from 45/4, Solve 11 1/4

Subtract 45/25 from 45/4

1^st number: 11 1/4, 2^nd number: 1 20/25

45/4 - 45/25 is 189/20.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100

Next, find the equivalent fraction of both fractional numbers with denominator 100
For the 1st fraction, since 4 × 25 = 100,
45/4 = 45 × 25/4 × 25 = 1125/100
Likewise, for the 2nd fraction, since 25 × 4 = 100,
45/25 = 45 × 4/25 × 4 = 180/100
Subtract the two like fractions:
1125/100 - 180/100 = 1125 - 180/100 = 945/100
After reducing the fraction, the answer is 189/20
In mixed form: 99/20

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