Answers

Subtract 9/28 from 90/14

1^st number: 6 6/14, 2^nd number: 9/28

90/14 - 9/28 is 171/28.

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,
   90/14 = 90 × 2/14 × 2 = 180/28
3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
   9/28 = 9 × 1/28 × 1 = 9/28
4. Subtract the two like fractions:
   180/28 - 9/28 = 180 - 9/28 = 171/28
5. In mixed form: 63/28

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