Subtract 8/54 from 15/10, Solve 1 5/10

Subtract 8/54 from 15/10

1^st number: 1 5/10, 2^nd number: 8/54

15/10 - 8/54 is 73/54.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
15/10 = 15 × 27/10 × 27 = 405/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
8/54 = 8 × 5/54 × 5 = 40/270
Subtract the two like fractions:
405/270 - 40/270 = 405 - 40/270 = 365/270
After reducing the fraction, the answer is 73/54
In mixed form: 119/54

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