Answers

Add 90/12 and 70/64

1^st number: 7 6/12, 2^nd number: 1 6/64

90/12 + 70/64 is 275/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 64 is 192
   
   Next, find the equivalent fraction of both fractional numbers with denominator 192
2. For the 1st fraction, since 12 × 16 = 192,
   90/12 = 90 × 16/12 × 16 = 1440/192
3. Likewise, for the 2nd fraction, since 64 × 3 = 192,
   70/64 = 70 × 3/64 × 3 = 210/192
4. Add the two like fractions:
   1440/192 + 210/192 = 1440 + 210/192 = 1650/192
5. 1650/192 simplified gives 275/32
6. So, 90/12 + 70/64 = 275/32
   In mixed form: 819/32

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