Answers

Subtract 1/63 from 90/42

1^st number: 2 6/42, 2^nd number: 1/63

90/42 - 1/63 is 134/63.

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,
   90/42 = 90 × 3/42 × 3 = 270/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   1/63 = 1 × 2/63 × 2 = 2/126
4. Subtract the two like fractions:
   270/126 - 2/126 = 270 - 2/126 = 268/126
5. After reducing the fraction, the answer is 134/63
6. In mixed form: 28/63

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