Answers

Subtract 20/49 from 50/42

1^st number: 1 8/42, 2^nd number: 20/49

50/42 - 20/49 is 115/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   50/42 = 50 × 7/42 × 7 = 350/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   20/49 = 20 × 6/49 × 6 = 120/294
4. Subtract the two like fractions:
   350/294 - 120/294 = 350 - 120/294 = 230/294
5. After reducing the fraction, the answer is 115/147

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