Answers

Add 50/21 and 40/54

1^st number: 2 8/21, 2^nd number: 40/54

50/21 + 40/54 is 590/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 21 × 18 = 378,
   50/21 = 50 × 18/21 × 18 = 900/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   40/54 = 40 × 7/54 × 7 = 280/378
4. Add the two like fractions:
   900/378 + 280/378 = 900 + 280/378 = 1180/378
5. 1180/378 simplified gives 590/189
6. So, 50/21 + 40/54 = 590/189
   In mixed form: 323/189

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