Answers

Subtract 7/70 from 6/80

6/80 - 7/70 is -1/40.

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,
   6/80 = 6 × 7/80 × 7 = 42/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   7/70 = 7 × 8/70 × 8 = 56/560
4. Subtract the two like fractions:
   42/560 - 56/560 = 42 - 56/560 = -14/560
5. After reducing the fraction, the answer is -1/40

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