Answers

Subtract 84/7 from 98/30

1^st number: 3 8/30, 2^nd number: 12 0/7

98/30 - 84/7 is -131/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 7 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   98/30 = 98 × 7/30 × 7 = 686/210
3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
   84/7 = 84 × 30/7 × 30 = 2520/210
4. Subtract the two like fractions:
   686/210 - 2520/210 = 686 - 2520/210 = -1834/210
5. After reducing the fraction, the answer is -131/15

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