Answers

Subtract 81/63 from 4/50

1^st number: 4/50, 2^nd number: 1 18/63

4/50 - 81/63 is -211/175.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 63 is 3150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3150
2. For the 1st fraction, since 50 × 63 = 3150,
   4/50 = 4 × 63/50 × 63 = 252/3150
3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
   81/63 = 81 × 50/63 × 50 = 4050/3150
4. Subtract the two like fractions:
   252/3150 - 4050/3150 = 252 - 4050/3150 = -3798/3150
5. After reducing the fraction, the answer is -211/175

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