Answers

Subtract 30/10 from 7/70

1^st number: 7/70, 2^nd number: 3 0/10

7/70 - 30/10 is -29/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 10 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 70 × 1 = 70,
   7/70 = 7 × 1/70 × 1 = 7/70
3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
   30/10 = 30 × 7/10 × 7 = 210/70
4. Subtract the two like fractions:
   7/70 - 210/70 = 7 - 210/70 = -203/70
5. After reducing the fraction, the answer is -29/10

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