Answers

Subtract 1/63 from 21/9

1^st number: 2 3/9, 2^nd number: 1/63

21/9 - 1/63 is 146/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 9 × 7 = 63,
   21/9 = 21 × 7/9 × 7 = 147/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   1/63 = 1 × 1/63 × 1 = 1/63
4. Subtract the two like fractions:
   147/63 - 1/63 = 147 - 1/63 = 146/63
5. In mixed form: 220/63

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