Answers

Add 72/75 and 21/60

72/75 + 21/60 is 131/100.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   72/75 = 72 × 4/75 × 4 = 288/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   21/60 = 21 × 5/60 × 5 = 105/300
4. Add the two like fractions:
   288/300 + 105/300 = 288 + 105/300 = 393/300
5. 393/300 simplified gives 131/100
6. So, 72/75 + 21/60 = 131/100
   In mixed form: 131/100

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