Answers

Add 30/60 and 30/80

30/60 + 30/80 is 7/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   30/60 = 30 × 4/60 × 4 = 120/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   30/80 = 30 × 3/80 × 3 = 90/240
4. Add the two like fractions:
   120/240 + 90/240 = 120 + 90/240 = 210/240
5. 210/240 simplified gives 7/8
6. So, 30/60 + 30/80 = 7/8

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