Answers

Add 28/10 and 54/84

1^st number: 2 8/10, 2^nd number: 54/84

28/10 + 54/84 is 241/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   28/10 = 28 × 42/10 × 42 = 1176/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   54/84 = 54 × 5/84 × 5 = 270/420
4. Add the two like fractions:
   1176/420 + 270/420 = 1176 + 270/420 = 1446/420
5. 1446/420 simplified gives 241/70
6. So, 28/10 + 54/84 = 241/70
   In mixed form: 331/70

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