Answers

Add 18/21 and 54/10

1^st number: 18/21, 2^nd number: 5 4/10

18/21 + 54/10 is 219/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   18/21 = 18 × 10/21 × 10 = 180/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   54/10 = 54 × 21/10 × 21 = 1134/210
4. Add the two like fractions:
   180/210 + 1134/210 = 180 + 1134/210 = 1314/210
5. 1314/210 simplified gives 219/35
6. So, 18/21 + 54/10 = 219/35
   In mixed form: 69/35

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