Answers

Add 72/5 and 36/90

1^st number: 14 2/5, 2^nd number: 36/90

72/5 + 36/90 is 74/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 5 × 18 = 90,
   72/5 = 72 × 18/5 × 18 = 1296/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   36/90 = 36 × 1/90 × 1 = 36/90
4. Add the two like fractions:
   1296/90 + 36/90 = 1296 + 36/90 = 1332/90
5. 1332/90 simplified gives 74/5
6. So, 72/5 + 36/90 = 74/5
   In mixed form: 144/5

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