Answers

Subtract 25/18 from 30/72

1^st number: 30/72, 2^nd number: 1 7/18

30/72 - 25/18 is -35/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 18 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   30/72 = 30 × 1/72 × 1 = 30/72
3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
   25/18 = 25 × 4/18 × 4 = 100/72
4. Subtract the two like fractions:
   30/72 - 100/72 = 30 - 100/72 = -70/72
5. After reducing the fraction, the answer is -35/36

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