Answers

Add 90/15 and 54/16

1^st number: 6 0/15, 2^nd number: 3 6/16

90/15 + 54/16 is 75/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   90/15 = 90 × 16/15 × 16 = 1440/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   54/16 = 54 × 15/16 × 15 = 810/240
4. Add the two like fractions:
   1440/240 + 810/240 = 1440 + 810/240 = 2250/240
5. 2250/240 simplified gives 75/8
6. So, 90/15 + 54/16 = 75/8
   In mixed form: 93/8

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