Answers

Add 90/28 and 15/64

1^st number: 3 6/28, 2^nd number: 15/64

90/28 + 15/64 is 1545/448.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 64 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 28 × 16 = 448,
   90/28 = 90 × 16/28 × 16 = 1440/448
3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
   15/64 = 15 × 7/64 × 7 = 105/448
4. Add the two like fractions:
   1440/448 + 105/448 = 1440 + 105/448 = 1545/448
5. So, 90/28 + 15/64 = 1545/448
   In mixed form: 3201/448

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