Answers

Subtract 18/50 from 70/80

70/80 - 18/50 is 103/200.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 50 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 80 × 5 = 400,
   70/80 = 70 × 5/80 × 5 = 350/400
3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
   18/50 = 18 × 8/50 × 8 = 144/400
4. Subtract the two like fractions:
   350/400 - 144/400 = 350 - 144/400 = 206/400
5. After reducing the fraction, the answer is 103/200

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