Answers

Subtract 42/63 from 12/9

1^st number: 1 3/9, 2^nd number: 42/63

12/9 - 42/63 is 2/3.

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,
   12/9 = 12 × 7/9 × 7 = 84/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   42/63 = 42 × 1/63 × 1 = 42/63
4. Subtract the two like fractions:
   84/63 - 42/63 = 84 - 42/63 = 42/63
5. After reducing the fraction, the answer is 2/3

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