Answers

Add 48/81 and 81/30

1^st number: 48/81, 2^nd number: 2 21/30

48/81 + 81/30 is 889/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 30 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   48/81 = 48 × 10/81 × 10 = 480/810
3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
   81/30 = 81 × 27/30 × 27 = 2187/810
4. Add the two like fractions:
   480/810 + 2187/810 = 480 + 2187/810 = 2667/810
5. 2667/810 simplified gives 889/270
6. So, 48/81 + 81/30 = 889/270
   In mixed form: 379/270

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