Answers

Add 24/21 and 70/54

1^st number: 1 3/21, 2^nd number: 1 16/54

24/21 + 70/54 is 461/189.

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,
   24/21 = 24 × 18/21 × 18 = 432/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   70/54 = 70 × 7/54 × 7 = 490/378
4. Add the two like fractions:
   432/378 + 490/378 = 432 + 490/378 = 922/378
5. 922/378 simplified gives 461/189
6. So, 24/21 + 70/54 = 461/189
   In mixed form: 283/189

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