Subtract 24/81 from 9/4, Solve 2 1/4

Subtract 24/81 from 9/4

1^st number: 2 1/4, 2^nd number: 24/81

9/4 - 24/81 is 211/108.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324

Next, find the equivalent fraction of both fractional numbers with denominator 324
For the 1st fraction, since 4 × 81 = 324,
9/4 = 9 × 81/4 × 81 = 729/324
Likewise, for the 2nd fraction, since 81 × 4 = 324,
24/81 = 24 × 4/81 × 4 = 96/324
Subtract the two like fractions:
729/324 - 96/324 = 729 - 96/324 = 633/324
After reducing the fraction, the answer is 211/108
In mixed form: 1103/108

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