Answers

Add 70/35 and 20/16

1^st number: 2 0/35, 2^nd number: 1 4/16

70/35 + 20/16 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   70/35 = 70 × 16/35 × 16 = 1120/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   20/16 = 20 × 35/16 × 35 = 700/560
4. Add the two like fractions:
   1120/560 + 700/560 = 1120 + 700/560 = 1820/560
5. 1820/560 simplified gives 13/4
6. So, 70/35 + 20/16 = 13/4
   In mixed form: 31/4

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