Subtract 81/24 from 16/5, Solve 3 1/5

Subtract 81/24 from 16/5

1^st number: 3 1/5, 2^nd number: 3 9/24

16/5 - 81/24 is -7/40.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 5 × 24 = 120,
16/5 = 16 × 24/5 × 24 = 384/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120
Subtract the two like fractions:
384/120 - 405/120 = 384 - 405/120 = -21/120
After reducing the fraction, the answer is -7/40

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