Subtract 27/49 from 72/27, Solve 2 18/27

Subtract 27/49 from 72/27

1^st number: 2 18/27, 2^nd number: 27/49

72/27 - 27/49 is 311/147.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323

Next, find the equivalent fraction of both fractional numbers with denominator 1323
For the 1st fraction, since 27 × 49 = 1323,
72/27 = 72 × 49/27 × 49 = 3528/1323
Likewise, for the 2nd fraction, since 49 × 27 = 1323,
27/49 = 27 × 27/49 × 27 = 729/1323
Subtract the two like fractions:
3528/1323 - 729/1323 = 3528 - 729/1323 = 2799/1323
After reducing the fraction, the answer is 311/147
In mixed form: 217/147

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