Subtract 30/7 from 54/2, Solve 27 0/2

Subtract 30/7 from 54/2

1^st number: 27 0/2, 2^nd number: 4 2/7

54/2 - 30/7 is 159/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14

Next, find the equivalent fraction of both fractional numbers with denominator 14
For the 1st fraction, since 2 × 7 = 14,
54/2 = 54 × 7/2 × 7 = 378/14
Likewise, for the 2nd fraction, since 7 × 2 = 14,
30/7 = 30 × 2/7 × 2 = 60/14
Subtract the two like fractions:
378/14 - 60/14 = 378 - 60/14 = 318/14
After reducing the fraction, the answer is 159/7
In mixed form: 225/7

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