Answers

Add 42/27 and 84/40

1^st number: 1 15/27, 2^nd number: 2 4/40

42/27 + 84/40 is 329/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 27 × 40 = 1080,
   42/27 = 42 × 40/27 × 40 = 1680/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   84/40 = 84 × 27/40 × 27 = 2268/1080
4. Add the two like fractions:
   1680/1080 + 2268/1080 = 1680 + 2268/1080 = 3948/1080
5. 3948/1080 simplified gives 329/90
6. So, 42/27 + 84/40 = 329/90
   In mixed form: 359/90

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