Answers

Subtract 4/56 from 20/36

20/36 - 4/56 is 61/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 36 × 14 = 504,
   20/36 = 20 × 14/36 × 14 = 280/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   4/56 = 4 × 9/56 × 9 = 36/504
4. Subtract the two like fractions:
   280/504 - 36/504 = 280 - 36/504 = 244/504
5. After reducing the fraction, the answer is 61/126

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