Subtract 20/16 from 10/54, Solve 10/54

Subtract 20/16 from 10/54

1^st number: 10/54, 2^nd number: 1 4/16

10/54 - 20/16 is -115/108.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 54 × 8 = 432,
10/54 = 10 × 8/54 × 8 = 80/432
Likewise, for the 2nd fraction, since 16 × 27 = 432,
20/16 = 20 × 27/16 × 27 = 540/432
Subtract the two like fractions:
80/432 - 540/432 = 80 - 540/432 = -460/432
After reducing the fraction, the answer is -115/108

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