Answers

Subtract 21/9 from 9/45

1^st number: 9/45, 2^nd number: 2 3/9

9/45 - 21/9 is -32/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 9 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   9/45 = 9 × 1/45 × 1 = 9/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
   21/9 = 21 × 5/9 × 5 = 105/45
4. Subtract the two like fractions:
   9/45 - 105/45 = 9 - 105/45 = -96/45
5. After reducing the fraction, the answer is -32/15

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