Answers

Subtract 42/18 from 48/63

1^st number: 48/63, 2^nd number: 2 6/18

48/63 - 42/18 is -11/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   48/63 = 48 × 2/63 × 2 = 96/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   42/18 = 42 × 7/18 × 7 = 294/126
4. Subtract the two like fractions:
   96/126 - 294/126 = 96 - 294/126 = -198/126
5. After reducing the fraction, the answer is -11/7

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