Answers

Add 42/30 and 84/27

1^st number: 1 12/30, 2^nd number: 3 3/27

42/30 + 84/27 is 203/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 27 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 30 × 9 = 270,
   42/30 = 42 × 9/30 × 9 = 378/270
3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
   84/27 = 84 × 10/27 × 10 = 840/270
4. Add the two like fractions:
   378/270 + 840/270 = 378 + 840/270 = 1218/270
5. 1218/270 simplified gives 203/45
6. So, 42/30 + 84/27 = 203/45
   In mixed form: 423/45

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