Answers

Subtract 49/42 from 42/20

1^st number: 2 2/20, 2^nd number: 1 7/42

42/20 - 49/42 is 14/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   42/20 = 42 × 21/20 × 21 = 882/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   49/42 = 49 × 10/42 × 10 = 490/420
4. Subtract the two like fractions:
   882/420 - 490/420 = 882 - 490/420 = 392/420
5. After reducing the fraction, the answer is 14/15

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