Answers

Subtract 40/70 from 2/4

2/4 - 40/70 is -1/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 4 × 35 = 140,
   2/4 = 2 × 35/4 × 35 = 70/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   40/70 = 40 × 2/70 × 2 = 80/140
4. Subtract the two like fractions:
   70/140 - 80/140 = 70 - 80/140 = -10/140
5. After reducing the fraction, the answer is -1/14

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