Answers

Subtract 2/70 from 4/80

4/80 - 2/70 is 3/140.

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,
   4/80 = 4 × 7/80 × 7 = 28/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   2/70 = 2 × 8/70 × 8 = 16/560
4. Subtract the two like fractions:
   28/560 - 16/560 = 28 - 16/560 = 12/560
5. After reducing the fraction, the answer is 3/140

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