Answers

Subtract 4/7 from 2/80

2/80 - 4/7 is -153/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 7 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   2/80 = 2 × 7/80 × 7 = 14/560
3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
   4/7 = 4 × 80/7 × 80 = 320/560
4. Subtract the two like fractions:
   14/560 - 320/560 = 14 - 320/560 = -306/560
5. After reducing the fraction, the answer is -153/280

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