Answers

Add 4/20 and 90/64

1^st number: 4/20, 2^nd number: 1 26/64

4/20 + 90/64 is 257/160.

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,
   4/20 = 4 × 16/20 × 16 = 64/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   90/64 = 90 × 5/64 × 5 = 450/320
4. Add the two like fractions:
   64/320 + 450/320 = 64 + 450/320 = 514/320
5. 514/320 simplified gives 257/160
6. So, 4/20 + 90/64 = 257/160
   In mixed form: 197/160

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