Answers

Add 98/28 and 42/70

1^st number: 3 14/28, 2^nd number: 42/70

98/28 + 42/70 is 41/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   98/28 = 98 × 5/28 × 5 = 490/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   42/70 = 42 × 2/70 × 2 = 84/140
4. Add the two like fractions:
   490/140 + 84/140 = 490 + 84/140 = 574/140
5. 574/140 simplified gives 41/10
6. So, 98/28 + 42/70 = 41/10
   In mixed form: 41/10

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