Subtract 1/27 from 60/42, Solve 1 18/42

Subtract 1/27 from 60/42

1^st number: 1 18/42, 2^nd number: 1/27

60/42 - 1/27 is 263/189.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
60/42 = 60 × 9/42 × 9 = 540/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
1/27 = 1 × 14/27 × 14 = 14/378
Subtract the two like fractions:
540/378 - 14/378 = 540 - 14/378 = 526/378
After reducing the fraction, the answer is 263/189
In mixed form: 174/189

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