Answers

Subtract 70/42 from 98/30

1^st number: 3 8/30, 2^nd number: 1 28/42

98/30 - 70/42 is 8/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 42 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 42 × 5 = 210,
   70/42 = 70 × 5/42 × 5 = 350/210
4. Subtract the two like fractions:
   686/210 - 350/210 = 686 - 350/210 = 336/210
5. After reducing the fraction, the answer is 8/5
6. In mixed form: 13/5

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