Answers

Add 84/10 and 54/28

1^st number: 8 4/10, 2^nd number: 1 26/28

84/10 + 54/28 is 723/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 10 × 14 = 140,
   84/10 = 84 × 14/10 × 14 = 1176/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   54/28 = 54 × 5/28 × 5 = 270/140
4. Add the two like fractions:
   1176/140 + 270/140 = 1176 + 270/140 = 1446/140
5. 1446/140 simplified gives 723/70
6. So, 84/10 + 54/28 = 723/70
   In mixed form: 1023/70

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