Subtract 9/18 from 81/25, Solve 3 6/25

Subtract 9/18 from 81/25

1^st number: 3 6/25, 2^nd number: 9/18

81/25 - 9/18 is 137/50.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
81/25 = 81 × 18/25 × 18 = 1458/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
9/18 = 9 × 25/18 × 25 = 225/450
Subtract the two like fractions:
1458/450 - 225/450 = 1458 - 225/450 = 1233/450
After reducing the fraction, the answer is 137/50
In mixed form: 237/50

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