Answers

Add 56/15 and 84/90

1^st number: 3 11/15, 2^nd number: 84/90

56/15 + 84/90 is 14/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 15 × 6 = 90,
   56/15 = 56 × 6/15 × 6 = 336/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   84/90 = 84 × 1/90 × 1 = 84/90
4. Add the two like fractions:
   336/90 + 84/90 = 336 + 84/90 = 420/90
5. 420/90 simplified gives 14/3
6. So, 56/15 + 84/90 = 14/3
   In mixed form: 42/3

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