Subtract 6/81 from 63/15, Solve 4 3/15

Subtract 6/81 from 63/15

1^st number: 4 3/15, 2^nd number: 6/81

63/15 - 6/81 is 557/135.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 81 is 405

Next, find the equivalent fraction of both fractional numbers with denominator 405
For the 1st fraction, since 15 × 27 = 405,
63/15 = 63 × 27/15 × 27 = 1701/405
Likewise, for the 2nd fraction, since 81 × 5 = 405,
6/81 = 6 × 5/81 × 5 = 30/405
Subtract the two like fractions:
1701/405 - 30/405 = 1701 - 30/405 = 1671/405
After reducing the fraction, the answer is 557/135
In mixed form: 417/135

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