Answers

Subtract 72/27 from 7/9

1^st number: 7/9, 2^nd number: 2 18/27

7/9 - 72/27 is -17/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 27 is 27
   
   Next, find the equivalent fraction of both fractional numbers with denominator 27
2. For the 1st fraction, since 9 × 3 = 27,
   7/9 = 7 × 3/9 × 3 = 21/27
3. Likewise, for the 2nd fraction, since 27 × 1 = 27,
   72/27 = 72 × 1/27 × 1 = 72/27
4. Subtract the two like fractions:
   21/27 - 72/27 = 21 - 72/27 = -51/27
5. After reducing the fraction, the answer is -17/9

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