Subtract 4/54 from 28/10, Solve 2 8/10

Subtract 4/54 from 28/10

1^st number: 2 8/10, 2^nd number: 4/54

28/10 - 4/54 is 368/135.

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,
28/10 = 28 × 27/10 × 27 = 756/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
4/54 = 4 × 5/54 × 5 = 20/270
Subtract the two like fractions:
756/270 - 20/270 = 756 - 20/270 = 736/270
After reducing the fraction, the answer is 368/135
In mixed form: 298/135

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