Answers

Add 28/14 and 98/80

1^st number: 2 0/14, 2^nd number: 1 18/80

28/14 + 98/80 is 129/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 14 × 40 = 560,
   28/14 = 28 × 40/14 × 40 = 1120/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   98/80 = 98 × 7/80 × 7 = 686/560
4. Add the two like fractions:
   1120/560 + 686/560 = 1120 + 686/560 = 1806/560
5. 1806/560 simplified gives 129/40
6. So, 28/14 + 98/80 = 129/40
   In mixed form: 39/40

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