Answers

Add 42/16 and 80/70

1^st number: 2 10/16, 2^nd number: 1 10/70

42/16 + 80/70 is 211/56.

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,
   42/16 = 42 × 35/16 × 35 = 1470/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   80/70 = 80 × 8/70 × 8 = 640/560
4. Add the two like fractions:
   1470/560 + 640/560 = 1470 + 640/560 = 2110/560
5. 2110/560 simplified gives 211/56
6. So, 42/16 + 80/70 = 211/56
   In mixed form: 343/56

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