Answers

Add 90/20 and 24/64

1^st number: 4 10/20, 2^nd number: 24/64

90/20 + 24/64 is 39/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 20 × 16 = 320,
   90/20 = 90 × 16/20 × 16 = 1440/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   24/64 = 24 × 5/64 × 5 = 120/320
4. Add the two like fractions:
   1440/320 + 120/320 = 1440 + 120/320 = 1560/320
5. 1560/320 simplified gives 39/8
6. So, 90/20 + 24/64 = 39/8
   In mixed form: 47/8

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