Answers

Add 81/16 and 56/70

1^st number: 5 1/16, 2^nd number: 56/70

81/16 + 56/70 is 469/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 16 × 35 = 560,
   81/16 = 81 × 35/16 × 35 = 2835/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   56/70 = 56 × 8/70 × 8 = 448/560
4. Add the two like fractions:
   2835/560 + 448/560 = 2835 + 448/560 = 3283/560
5. 3283/560 simplified gives 469/80
6. So, 81/16 + 56/70 = 469/80
   In mixed form: 569/80

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