Answers

Add 28/90 and 42/36

1^st number: 28/90, 2^nd number: 1 6/36

28/90 + 42/36 is 133/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   28/90 = 28 × 2/90 × 2 = 56/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   42/36 = 42 × 5/36 × 5 = 210/180
4. Add the two like fractions:
   56/180 + 210/180 = 56 + 210/180 = 266/180
5. 266/180 simplified gives 133/90
6. So, 28/90 + 42/36 = 133/90
   In mixed form: 143/90

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