Answers

Add 90/25 and 6/72

1^st number: 3 15/25, 2^nd number: 6/72

90/25 + 6/72 is 221/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 25 × 72 = 1800,
   90/25 = 90 × 72/25 × 72 = 6480/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   6/72 = 6 × 25/72 × 25 = 150/1800
4. Add the two like fractions:
   6480/1800 + 150/1800 = 6480 + 150/1800 = 6630/1800
5. 6630/1800 simplified gives 221/60
6. So, 90/25 + 6/72 = 221/60
   In mixed form: 341/60

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