Answers

Add 50/90 and 28/20

1^st number: 50/90, 2^nd number: 1 8/20

50/90 + 28/20 is 88/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   50/90 = 50 × 2/90 × 2 = 100/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   28/20 = 28 × 9/20 × 9 = 252/180
4. Add the two like fractions:
   100/180 + 252/180 = 100 + 252/180 = 352/180
5. 352/180 simplified gives 88/45
6. So, 50/90 + 28/20 = 88/45
   In mixed form: 143/45

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