Answers

Add 80/25 and 60/72

1^st number: 3 5/25, 2^nd number: 60/72

80/25 + 60/72 is 121/30.

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,
   80/25 = 80 × 72/25 × 72 = 5760/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   60/72 = 60 × 25/72 × 25 = 1500/1800
4. Add the two like fractions:
   5760/1800 + 1500/1800 = 5760 + 1500/1800 = 7260/1800
5. 7260/1800 simplified gives 121/30
6. So, 80/25 + 60/72 = 121/30
   In mixed form: 41/30

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