Answers

Subtract 21/12 from 84/8

1^st number: 10 4/8, 2^nd number: 1 9/12

84/8 - 21/12 is 35/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 12 is 24
   
   Next, find the equivalent fraction of both fractional numbers with denominator 24
2. For the 1st fraction, since 8 × 3 = 24,
   84/8 = 84 × 3/8 × 3 = 252/24
3. Likewise, for the 2nd fraction, since 12 × 2 = 24,
   21/12 = 21 × 2/12 × 2 = 42/24
4. Subtract the two like fractions:
   252/24 - 42/24 = 252 - 42/24 = 210/24
5. After reducing the fraction, the answer is 35/4
6. In mixed form: 83/4

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