Answers

Subtract 30/7 from 12/10

1^st number: 1 2/10, 2^nd number: 4 2/7

12/10 - 30/7 is -108/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 7 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 10 × 7 = 70,
   12/10 = 12 × 7/10 × 7 = 84/70
3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
   30/7 = 30 × 10/7 × 10 = 300/70
4. Subtract the two like fractions:
   84/70 - 300/70 = 84 - 300/70 = -216/70
5. After reducing the fraction, the answer is -108/35

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