Answers

Subtract 9/21 from 30/28

1^st number: 1 2/28, 2^nd number: 9/21

30/28 - 9/21 is 9/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   30/28 = 30 × 3/28 × 3 = 90/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   9/21 = 9 × 4/21 × 4 = 36/84
4. Subtract the two like fractions:
   90/84 - 36/84 = 90 - 36/84 = 54/84
5. After reducing the fraction, the answer is 9/14

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