Answers

Add 27/84 and 42/27

1^st number: 27/84, 2^nd number: 1 15/27

27/84 + 42/27 is 473/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   27/84 = 27 × 9/84 × 9 = 243/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   42/27 = 42 × 28/27 × 28 = 1176/756
4. Add the two like fractions:
   243/756 + 1176/756 = 243 + 1176/756 = 1419/756
5. 1419/756 simplified gives 473/252
6. So, 27/84 + 42/27 = 473/252
   In mixed form: 1221/252

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