Answers

Add 90/15 and 60/64

1^st number: 6 0/15, 2^nd number: 60/64

90/15 + 60/64 is 111/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 15 × 64 = 960,
   90/15 = 90 × 64/15 × 64 = 5760/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   60/64 = 60 × 15/64 × 15 = 900/960
4. Add the two like fractions:
   5760/960 + 900/960 = 5760 + 900/960 = 6660/960
5. 6660/960 simplified gives 111/16
6. So, 90/15 + 60/64 = 111/16
   In mixed form: 615/16

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