Answers

Subtract 30/7 from 10/12

1^st number: 10/12, 2^nd number: 4 2/7

10/12 - 30/7 is -145/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   10/12 = 10 × 7/12 × 7 = 70/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   30/7 = 30 × 12/7 × 12 = 360/84
4. Subtract the two like fractions:
   70/84 - 360/84 = 70 - 360/84 = -290/84
5. After reducing the fraction, the answer is -145/42

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