Answers

Add 70/18 and 72/64

1^st number: 3 16/18, 2^nd number: 1 8/64

70/18 + 72/64 is 361/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 64 is 576
   
   Next, find the equivalent fraction of both fractional numbers with denominator 576
2. For the 1st fraction, since 18 × 32 = 576,
   70/18 = 70 × 32/18 × 32 = 2240/576
3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
   72/64 = 72 × 9/64 × 9 = 648/576
4. Add the two like fractions:
   2240/576 + 648/576 = 2240 + 648/576 = 2888/576
5. 2888/576 simplified gives 361/72
6. So, 70/18 + 72/64 = 361/72
   In mixed form: 51/72

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