Subtract 8/84 from 72/27, Solve 2 18/27

Subtract 8/84 from 72/27

1^st number: 2 18/27, 2^nd number: 8/84

72/27 - 8/84 is 18/7.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 27 × 28 = 756,
72/27 = 72 × 28/27 × 28 = 2016/756
Likewise, for the 2nd fraction, since 84 × 9 = 756,
8/84 = 8 × 9/84 × 9 = 72/756
Subtract the two like fractions:
2016/756 - 72/756 = 2016 - 72/756 = 1944/756
After reducing the fraction, the answer is 18/7
In mixed form: 24/7

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