Answers

Subtract 40/6 from 30/70

1^st number: 30/70, 2^nd number: 6 4/6

30/70 - 40/6 is -131/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 6 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   30/70 = 30 × 3/70 × 3 = 90/210
3. Likewise, for the 2nd fraction, since 6 × 35 = 210,
   40/6 = 40 × 35/6 × 35 = 1400/210
4. Subtract the two like fractions:
   90/210 - 1400/210 = 90 - 1400/210 = -1310/210
5. After reducing the fraction, the answer is -131/21

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