Answers

Subtract 30/10 from 70/98

1^st number: 70/98, 2^nd number: 3 0/10

70/98 - 30/10 is -16/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 10 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   70/98 = 70 × 5/98 × 5 = 350/490
3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
   30/10 = 30 × 49/10 × 49 = 1470/490
4. Subtract the two like fractions:
   350/490 - 1470/490 = 350 - 1470/490 = -1120/490
5. After reducing the fraction, the answer is -16/7

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