Answers

Add 15/70 and 98/30

1^st number: 15/70, 2^nd number: 3 8/30

15/70 + 98/30 is 731/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   15/70 = 15 × 3/70 × 3 = 45/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   98/30 = 98 × 7/30 × 7 = 686/210
4. Add the two like fractions:
   45/210 + 686/210 = 45 + 686/210 = 731/210
5. So, 15/70 + 98/30 = 731/210
   In mixed form: 3101/210

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