Answers

Add 64/4 and 70/90

1^st number: 16 0/4, 2^nd number: 70/90

64/4 + 70/90 is 151/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   64/4 = 64 × 45/4 × 45 = 2880/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   70/90 = 70 × 2/90 × 2 = 140/180
4. Add the two like fractions:
   2880/180 + 140/180 = 2880 + 140/180 = 3020/180
5. 3020/180 simplified gives 151/9
6. So, 64/4 + 70/90 = 151/9
   In mixed form: 167/9

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