Answers

Add 90/75 and 2/72

1^st number: 1 15/75, 2^nd number: 2/72

90/75 + 2/72 is 221/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 75 × 24 = 1800,
   90/75 = 90 × 24/75 × 24 = 2160/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   2/72 = 2 × 25/72 × 25 = 50/1800
4. Add the two like fractions:
   2160/1800 + 50/1800 = 2160 + 50/1800 = 2210/1800
5. 2210/1800 simplified gives 221/180
6. So, 90/75 + 2/72 = 221/180
   In mixed form: 141/180

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