Answers

Subtract 30/70 from 14/80

14/80 - 30/70 is -71/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   14/80 = 14 × 7/80 × 7 = 98/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   30/70 = 30 × 8/70 × 8 = 240/560
4. Subtract the two like fractions:
   98/560 - 240/560 = 98 - 240/560 = -142/560
5. After reducing the fraction, the answer is -71/280

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