Answers

Add 70/28 and 80/10

1^st number: 2 14/28, 2^nd number: 8 0/10

70/28 + 80/10 is 21/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 10 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   70/28 = 70 × 5/28 × 5 = 350/140
3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
   80/10 = 80 × 14/10 × 14 = 1120/140
4. Add the two like fractions:
   350/140 + 1120/140 = 350 + 1120/140 = 1470/140
5. 1470/140 simplified gives 21/2
6. So, 70/28 + 80/10 = 21/2
   In mixed form: 101/2

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