Subtract 14/81 from 56/40, Solve 1 16/40

Subtract 14/81 from 56/40

1^st number: 1 16/40, 2^nd number: 14/81

56/40 - 14/81 is 497/405.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240

Next, find the equivalent fraction of both fractional numbers with denominator 3240
For the 1st fraction, since 40 × 81 = 3240,
56/40 = 56 × 81/40 × 81 = 4536/3240
Likewise, for the 2nd fraction, since 81 × 40 = 3240,
14/81 = 14 × 40/81 × 40 = 560/3240
Subtract the two like fractions:
4536/3240 - 560/3240 = 4536 - 560/3240 = 3976/3240
After reducing the fraction, the answer is 497/405
In mixed form: 192/405

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