Answers

Add 27/15 and 90/45

1^st number: 1 12/15, 2^nd number: 2 0/45

27/15 + 90/45 is 19/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 45 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 15 × 3 = 45,
   27/15 = 27 × 3/15 × 3 = 81/45
3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
   90/45 = 90 × 1/45 × 1 = 90/45
4. Add the two like fractions:
   81/45 + 90/45 = 81 + 90/45 = 171/45
5. 171/45 simplified gives 19/5
6. So, 27/15 + 90/45 = 19/5
   In mixed form: 34/5

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