Answers

Subtract 18/70 from 54/56

54/56 - 18/70 is 99/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   54/56 = 54 × 5/56 × 5 = 270/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   18/70 = 18 × 4/70 × 4 = 72/280
4. Subtract the two like fractions:
   270/280 - 72/280 = 270 - 72/280 = 198/280
5. After reducing the fraction, the answer is 99/140

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