Answers

Subtract 42/50 from 84/63

1^st number: 1 21/63, 2^nd number: 42/50

84/63 - 42/50 is 37/75.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 50 is 3150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3150
2. For the 1st fraction, since 63 × 50 = 3150,
   84/63 = 84 × 50/63 × 50 = 4200/3150
3. Likewise, for the 2nd fraction, since 50 × 63 = 3150,
   42/50 = 42 × 63/50 × 63 = 2646/3150
4. Subtract the two like fractions:
   4200/3150 - 2646/3150 = 4200 - 2646/3150 = 1554/3150
5. After reducing the fraction, the answer is 37/75

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