Answers

Subtract 49/72 from 20/14

1^st number: 1 6/14, 2^nd number: 49/72

20/14 - 49/72 is 377/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 14 × 36 = 504,
   20/14 = 20 × 36/14 × 36 = 720/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   49/72 = 49 × 7/72 × 7 = 343/504
4. Subtract the two like fractions:
   720/504 - 343/504 = 720 - 343/504 = 377/504

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