Subtract 42/27 from 45/5, Solve 9 0/5

Subtract 42/27 from 45/5

1^st number: 9 0/5, 2^nd number: 1 15/27

45/5 - 42/27 is 67/9.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 5 × 27 = 135,
45/5 = 45 × 27/5 × 27 = 1215/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135
Subtract the two like fractions:
1215/135 - 210/135 = 1215 - 210/135 = 1005/135
After reducing the fraction, the answer is 67/9
In mixed form: 74/9

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