Answers

Subtract 1/72 from 42/56

42/56 - 1/72 is 53/72.

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,
   42/56 = 42 × 9/56 × 9 = 378/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   1/72 = 1 × 7/72 × 7 = 7/504
4. Subtract the two like fractions:
   378/504 - 7/504 = 378 - 7/504 = 371/504
5. After reducing the fraction, the answer is 53/72

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