Subtract 6/27 from 54/15, Solve 3 9/15

Subtract 6/27 from 54/15

1^st number: 3 9/15, 2^nd number: 6/27

54/15 - 6/27 is 152/45.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 15 × 9 = 135,
54/15 = 54 × 9/15 × 9 = 486/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
6/27 = 6 × 5/27 × 5 = 30/135
Subtract the two like fractions:
486/135 - 30/135 = 486 - 30/135 = 456/135
After reducing the fraction, the answer is 152/45
In mixed form: 317/45

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