Subtract 9/30 from 81/5, Solve 16 1/5

Subtract 9/30 from 81/5

1^st number: 16 1/5, 2^nd number: 9/30

81/5 - 9/30 is 159/10.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 5 × 6 = 30,
81/5 = 81 × 6/5 × 6 = 486/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30
Subtract the two like fractions:
486/30 - 9/30 = 486 - 9/30 = 477/30
After reducing the fraction, the answer is 159/10
In mixed form: 159/10

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