Answers

Add 64/14 and 98/80

1^st number: 4 8/14, 2^nd number: 1 18/80

64/14 + 98/80 is 1623/280.

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,
   64/14 = 64 × 40/14 × 40 = 2560/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   98/80 = 98 × 7/80 × 7 = 686/560
4. Add the two like fractions:
   2560/560 + 686/560 = 2560 + 686/560 = 3246/560
5. 3246/560 simplified gives 1623/280
6. So, 64/14 + 98/80 = 1623/280
   In mixed form: 5223/280

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