Answers

Subtract 30/28 from 72/60

1^st number: 1 12/60, 2^nd number: 1 2/28

72/60 - 30/28 is 9/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 28 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
   30/28 = 30 × 15/28 × 15 = 450/420
4. Subtract the two like fractions:
   504/420 - 450/420 = 504 - 450/420 = 54/420
5. After reducing the fraction, the answer is 9/70

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