Answers

Subtract 9/72 from 1/56

1/56 - 9/72 is -3/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   1/56 = 1 × 9/56 × 9 = 9/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   9/72 = 9 × 7/72 × 7 = 63/504
4. Subtract the two like fractions:
   9/504 - 63/504 = 9 - 63/504 = -54/504
5. After reducing the fraction, the answer is -3/28

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