Answers

Add 98/60 and 12/70

1^st number: 1 38/60, 2^nd number: 12/70

98/60 + 12/70 is 379/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   98/60 = 98 × 7/60 × 7 = 686/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   12/70 = 12 × 6/70 × 6 = 72/420
4. Add the two like fractions:
   686/420 + 72/420 = 686 + 72/420 = 758/420
5. 758/420 simplified gives 379/210
6. So, 98/60 + 12/70 = 379/210
   In mixed form: 1169/210

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