Answers

Add 72/36 and 90/25

1^st number: 2 0/36, 2^nd number: 3 15/25

72/36 + 90/25 is 28/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 25 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 36 × 25 = 900,
   72/36 = 72 × 25/36 × 25 = 1800/900
3. Likewise, for the 2nd fraction, since 25 × 36 = 900,
   90/25 = 90 × 36/25 × 36 = 3240/900
4. Add the two like fractions:
   1800/900 + 3240/900 = 1800 + 3240/900 = 5040/900
5. 5040/900 simplified gives 28/5
6. So, 72/36 + 90/25 = 28/5
   In mixed form: 53/5

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