Answers

Subtract 3/63 from 84/42

1^st number: 2 0/42, 2^nd number: 3/63

84/42 - 3/63 is 41/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   84/42 = 84 × 3/42 × 3 = 252/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   3/63 = 3 × 2/63 × 2 = 6/126
4. Subtract the two like fractions:
   252/126 - 6/126 = 252 - 6/126 = 246/126
5. After reducing the fraction, the answer is 41/21
6. In mixed form: 120/21

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