Answers

Add 80/16 and 25/35

1^st number: 5 0/16, 2^nd number: 25/35

80/16 + 25/35 is 40/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 35 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 16 × 35 = 560,
   80/16 = 80 × 35/16 × 35 = 2800/560
3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
   25/35 = 25 × 16/35 × 16 = 400/560
4. Add the two like fractions:
   2800/560 + 400/560 = 2800 + 400/560 = 3200/560
5. 3200/560 simplified gives 40/7
6. So, 80/16 + 25/35 = 40/7
   In mixed form: 55/7

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