Answers

Add 21/75 and 90/54

1^st number: 21/75, 2^nd number: 1 36/54

21/75 + 90/54 is 146/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 75 × 18 = 1350,
   21/75 = 21 × 18/75 × 18 = 378/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   90/54 = 90 × 25/54 × 25 = 2250/1350
4. Add the two like fractions:
   378/1350 + 2250/1350 = 378 + 2250/1350 = 2628/1350
5. 2628/1350 simplified gives 146/75
6. So, 21/75 + 90/54 = 146/75
   In mixed form: 171/75

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