Answers

Subtract 18/80 from 56/90

56/90 - 18/80 is 143/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   56/90 = 56 × 8/90 × 8 = 448/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   18/80 = 18 × 9/80 × 9 = 162/720
4. Subtract the two like fractions:
   448/720 - 162/720 = 448 - 162/720 = 286/720
5. After reducing the fraction, the answer is 143/360

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