Subtract 10/54 from 80/15, Solve 5 5/15

Subtract 10/54 from 80/15

1^st number: 5 5/15, 2^nd number: 10/54

80/15 - 10/54 is 139/27.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 15 × 18 = 270,
80/15 = 80 × 18/15 × 18 = 1440/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
10/54 = 10 × 5/54 × 5 = 50/270
Subtract the two like fractions:
1440/270 - 50/270 = 1440 - 50/270 = 1390/270
After reducing the fraction, the answer is 139/27
In mixed form: 54/27

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