Answers

Add 70/64 and 9/80

1^st number: 1 6/64, 2^nd number: 9/80

70/64 + 9/80 is 193/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 80 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   70/64 = 70 × 5/64 × 5 = 350/320
3. Likewise, for the 2nd fraction, since 80 × 4 = 320,
   9/80 = 9 × 4/80 × 4 = 36/320
4. Add the two like fractions:
   350/320 + 36/320 = 350 + 36/320 = 386/320
5. 386/320 simplified gives 193/160
6. So, 70/64 + 9/80 = 193/160
   In mixed form: 133/160

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