Answers

Add 98/20 and 70/14

1^st number: 4 18/20, 2^nd number: 5 0/14

98/20 + 70/14 is 99/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 14 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   98/20 = 98 × 7/20 × 7 = 686/140
3. Likewise, for the 2nd fraction, since 14 × 10 = 140,
   70/14 = 70 × 10/14 × 10 = 700/140
4. Add the two like fractions:
   686/140 + 700/140 = 686 + 700/140 = 1386/140
5. 1386/140 simplified gives 99/10
6. So, 98/20 + 70/14 = 99/10
   In mixed form: 99/10

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