Subtract 42/27 from 28/9, Solve 3 1/9

Subtract 42/27 from 28/9

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

28/9 - 42/27 is 14/9.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27

Next, find the equivalent fraction of both fractional numbers with denominator 27
For the 1st fraction, since 9 × 3 = 27,
28/9 = 28 × 3/9 × 3 = 84/27
Likewise, for the 2nd fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27
Subtract the two like fractions:
84/27 - 42/27 = 84 - 42/27 = 42/27
After reducing the fraction, the answer is 14/9
In mixed form: 15/9

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