Subtract 18/63 from 81/3, Solve 27 0/3

Subtract 18/63 from 81/3

1^st number: 27 0/3, 2^nd number: 18/63

81/3 - 18/63 is 187/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 3 × 21 = 63,
81/3 = 81 × 21/3 × 21 = 1701/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
18/63 = 18 × 1/63 × 1 = 18/63
Subtract the two like fractions:
1701/63 - 18/63 = 1701 - 18/63 = 1683/63
After reducing the fraction, the answer is 187/7
In mixed form: 265/7

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