Subtract 5/42 from 27/10, Solve 2 7/10

Subtract 5/42 from 27/10

1^st number: 2 7/10, 2^nd number: 5/42

27/10 - 5/42 is 271/105.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
27/10 = 27 × 21/10 × 21 = 567/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210
Subtract the two like fractions:
567/210 - 25/210 = 567 - 25/210 = 542/210
After reducing the fraction, the answer is 271/105
In mixed form: 261/105

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