Answers

Subtract 28/9 from 4/72

1^st number: 4/72, 2^nd number: 3 1/9

4/72 - 28/9 is -55/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 9 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   4/72 = 4 × 1/72 × 1 = 4/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   28/9 = 28 × 8/9 × 8 = 224/72
4. Subtract the two like fractions:
   4/72 - 224/72 = 4 - 224/72 = -220/72
5. After reducing the fraction, the answer is -55/18

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