Answers

Add 18/84 and 70/64

1^st number: 18/84, 2^nd number: 1 6/64

18/84 + 70/64 is 293/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 64 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 84 × 16 = 1344,
   18/84 = 18 × 16/84 × 16 = 288/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   70/64 = 70 × 21/64 × 21 = 1470/1344
4. Add the two like fractions:
   288/1344 + 1470/1344 = 288 + 1470/1344 = 1758/1344
5. 1758/1344 simplified gives 293/224
6. So, 18/84 + 70/64 = 293/224
   In mixed form: 169/224

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