Answers

Subtract 18/49 from 45/56

45/56 - 18/49 is 171/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 49 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 56 × 7 = 392,
   45/56 = 45 × 7/56 × 7 = 315/392
3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
   18/49 = 18 × 8/49 × 8 = 144/392
4. Subtract the two like fractions:
   315/392 - 144/392 = 315 - 144/392 = 171/392

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