Answers

Subtract 30/28 from 21/14

1^st number: 1 7/14, 2^nd number: 1 2/28

21/14 - 30/28 is 3/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 28 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 14 × 2 = 28,
   21/14 = 21 × 2/14 × 2 = 42/28
3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
   30/28 = 30 × 1/28 × 1 = 30/28
4. Subtract the two like fractions:
   42/28 - 30/28 = 42 - 30/28 = 12/28
5. After reducing the fraction, the answer is 3/7

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