Answers

Subtract 35/63 from 90/21

1^st number: 4 6/21, 2^nd number: 35/63

90/21 - 35/63 is 235/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   90/21 = 90 × 3/21 × 3 = 270/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   35/63 = 35 × 1/63 × 1 = 35/63
4. Subtract the two like fractions:
   270/63 - 35/63 = 270 - 35/63 = 235/63
5. In mixed form: 346/63

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