Answers

Add 54/28 and 84/20

1^st number: 1 26/28, 2^nd number: 4 4/20

54/28 + 84/20 is 429/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   54/28 = 54 × 5/28 × 5 = 270/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   84/20 = 84 × 7/20 × 7 = 588/140
4. Add the two like fractions:
   270/140 + 588/140 = 270 + 588/140 = 858/140
5. 858/140 simplified gives 429/70
6. So, 54/28 + 84/20 = 429/70
   In mixed form: 69/70

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