Answers

Subtract 20/7 from 50/42

1^st number: 1 8/42, 2^nd number: 2 6/7

50/42 - 20/7 is -5/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 7 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   50/42 = 50 × 1/42 × 1 = 50/42
3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
   20/7 = 20 × 6/7 × 6 = 120/42
4. Subtract the two like fractions:
   50/42 - 120/42 = 50 - 120/42 = -70/42
5. After reducing the fraction, the answer is -5/3

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