Answers

Subtract 30/28 from 5/72

1^st number: 5/72, 2^nd number: 1 2/28

5/72 - 30/28 is -505/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   5/72 = 5 × 7/72 × 7 = 35/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   30/28 = 30 × 18/28 × 18 = 540/504
4. Subtract the two like fractions:
   35/504 - 540/504 = 35 - 540/504 = -505/504

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