Answers

Subtract 70/80 from 18/35

18/35 - 70/80 is -101/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   18/35 = 18 × 16/35 × 16 = 288/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   70/80 = 70 × 7/80 × 7 = 490/560
4. Subtract the two like fractions:
   288/560 - 490/560 = 288 - 490/560 = -202/560
5. After reducing the fraction, the answer is -101/280

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