Answers

Add 90/54 and 80/35

1^st number: 1 36/54, 2^nd number: 2 10/35

90/54 + 80/35 is 83/21.

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,
   90/54 = 90 × 35/54 × 35 = 3150/1890
3. Likewise, for the 2nd fraction, since 35 × 54 = 1890,
   80/35 = 80 × 54/35 × 54 = 4320/1890
4. Add the two like fractions:
   3150/1890 + 4320/1890 = 3150 + 4320/1890 = 7470/1890
5. 7470/1890 simplified gives 83/21
6. So, 90/54 + 80/35 = 83/21
   In mixed form: 320/21

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