Answers

Add 75/54 and 90/35

1^st number: 1 21/54, 2^nd number: 2 20/35

75/54 + 90/35 is 499/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 35 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 54 × 35 = 1890,
   75/54 = 75 × 35/54 × 35 = 2625/1890
3. Likewise, for the 2nd fraction, since 35 × 54 = 1890,
   90/35 = 90 × 54/35 × 54 = 4860/1890
4. Add the two like fractions:
   2625/1890 + 4860/1890 = 2625 + 4860/1890 = 7485/1890
5. 7485/1890 simplified gives 499/126
6. So, 75/54 + 90/35 = 499/126
   In mixed form: 3121/126

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