Answers

Add 15/64 and 80/70

1^st number: 15/64, 2^nd number: 1 10/70

15/64 + 80/70 is 617/448.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 70 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 64 × 35 = 2240,
   15/64 = 15 × 35/64 × 35 = 525/2240
3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
   80/70 = 80 × 32/70 × 32 = 2560/2240
4. Add the two like fractions:
   525/2240 + 2560/2240 = 525 + 2560/2240 = 3085/2240
5. 3085/2240 simplified gives 617/448
6. So, 15/64 + 80/70 = 617/448
   In mixed form: 1169/448

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