Answers

Add 81/70 and 9/64

1^st number: 1 11/70, 2^nd number: 9/64

81/70 + 9/64 is 2907/2240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 64 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 70 × 32 = 2240,
   81/70 = 81 × 32/70 × 32 = 2592/2240
3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
   9/64 = 9 × 35/64 × 35 = 315/2240
4. Add the two like fractions:
   2592/2240 + 315/2240 = 2592 + 315/2240 = 2907/2240
5. So, 81/70 + 9/64 = 2907/2240
   In mixed form: 1667/2240

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