Answers

Subtract 49/63 from 75/42

1^st number: 1 33/42, 2^nd number: 49/63

75/42 - 49/63 is 127/126.

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,
   75/42 = 75 × 3/42 × 3 = 225/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   49/63 = 49 × 2/63 × 2 = 98/126
4. Subtract the two like fractions:
   225/126 - 98/126 = 225 - 98/126 = 127/126
5. In mixed form: 11/126

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