Answers

Subtract 63/8 from 84/4

1^st number: 21 0/4, 2^nd number: 7 7/8

84/4 - 63/8 is 105/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 8 is 8
   
   Next, find the equivalent fraction of both fractional numbers with denominator 8
2. For the 1st fraction, since 4 × 2 = 8,
   84/4 = 84 × 2/4 × 2 = 168/8
3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
   63/8 = 63 × 1/8 × 1 = 63/8
4. Subtract the two like fractions:
   168/8 - 63/8 = 168 - 63/8 = 105/8
5. In mixed form: 131/8

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