Answers

Add 28/25 and 54/42

1^st number: 1 3/25, 2^nd number: 1 12/42

28/25 + 54/42 is 421/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 42 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 25 × 42 = 1050,
   28/25 = 28 × 42/25 × 42 = 1176/1050
3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
   54/42 = 54 × 25/42 × 25 = 1350/1050
4. Add the two like fractions:
   1176/1050 + 1350/1050 = 1176 + 1350/1050 = 2526/1050
5. 2526/1050 simplified gives 421/175
6. So, 28/25 + 54/42 = 421/175
   In mixed form: 271/175

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