Answers

Subtract 18/72 from 7/28

7/28 - 18/72 is 0/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 28 × 18 = 504,
   7/28 = 7 × 18/28 × 18 = 126/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   18/72 = 18 × 7/72 × 7 = 126/504
4. Subtract the two like fractions:
   126/504 - 126/504 = 126 - 126/504 = 0/504
5. The answer is 0

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