Answers

Subtract 18/35 from 36/80

36/80 - 18/35 is -9/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 35 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   36/80 = 36 × 7/80 × 7 = 252/560
3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
   18/35 = 18 × 16/35 × 16 = 288/560
4. Subtract the two like fractions:
   252/560 - 288/560 = 252 - 288/560 = -36/560
5. After reducing the fraction, the answer is -9/140

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