Answers

Add 98/64 and 45/70

1^st number: 1 34/64, 2^nd number: 45/70

98/64 + 45/70 is 487/224.

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,
   98/64 = 98 × 35/64 × 35 = 3430/2240
3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
   45/70 = 45 × 32/70 × 32 = 1440/2240
4. Add the two like fractions:
   3430/2240 + 1440/2240 = 3430 + 1440/2240 = 4870/2240
5. 4870/2240 simplified gives 487/224
6. So, 98/64 + 45/70 = 487/224
   In mixed form: 239/224

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