Answers

Subtract 84/63 from 90/4

1^st number: 22 2/4, 2^nd number: 1 21/63

90/4 - 84/63 is 127/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 4 × 63 = 252,
   90/4 = 90 × 63/4 × 63 = 5670/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   84/63 = 84 × 4/63 × 4 = 336/252
4. Subtract the two like fractions:
   5670/252 - 336/252 = 5670 - 336/252 = 5334/252
5. After reducing the fraction, the answer is 127/6
6. In mixed form: 211/6

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