Answers

Add 28/50 and 90/18

1^st number: 28/50, 2^nd number: 5 0/18

28/50 + 90/18 is 139/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   28/50 = 28 × 9/50 × 9 = 252/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   90/18 = 90 × 25/18 × 25 = 2250/450
4. Add the two like fractions:
   252/450 + 2250/450 = 252 + 2250/450 = 2502/450
5. 2502/450 simplified gives 139/25
6. So, 28/50 + 90/18 = 139/25
   In mixed form: 514/25

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