Answers

Add 70/64 and 18/20

1^st number: 1 6/64, 2^nd number: 18/20

70/64 + 18/20 is 319/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 20 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   70/64 = 70 × 5/64 × 5 = 350/320
3. Likewise, for the 2nd fraction, since 20 × 16 = 320,
   18/20 = 18 × 16/20 × 16 = 288/320
4. Add the two like fractions:
   350/320 + 288/320 = 350 + 288/320 = 638/320
5. 638/320 simplified gives 319/160
6. So, 70/64 + 18/20 = 319/160
   In mixed form: 1159/160

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