Answers

Add 42/27 and 18/45

1^st number: 1 15/27, 2^nd number: 18/45

42/27 + 18/45 is 88/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 45 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 27 × 5 = 135,
   42/27 = 42 × 5/27 × 5 = 210/135
3. Likewise, for the 2nd fraction, since 45 × 3 = 135,
   18/45 = 18 × 3/45 × 3 = 54/135
4. Add the two like fractions:
   210/135 + 54/135 = 210 + 54/135 = 264/135
5. 264/135 simplified gives 88/45
6. So, 42/27 + 18/45 = 88/45
   In mixed form: 143/45

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