Answers

Subtract 18/49 from 18/25

18/25 - 18/49 is 432/1225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 49 is 1225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1225
2. For the 1st fraction, since 25 × 49 = 1225,
   18/25 = 18 × 49/25 × 49 = 882/1225
3. Likewise, for the 2nd fraction, since 49 × 25 = 1225,
   18/49 = 18 × 25/49 × 25 = 450/1225
4. Subtract the two like fractions:
   882/1225 - 450/1225 = 882 - 450/1225 = 432/1225

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