Answers

Add 30/15 and 48/80

1^st number: 2 0/15, 2^nd number: 48/80

30/15 + 48/80 is 13/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   30/15 = 30 × 16/15 × 16 = 480/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   48/80 = 48 × 3/80 × 3 = 144/240
4. Add the two like fractions:
   480/240 + 144/240 = 480 + 144/240 = 624/240
5. 624/240 simplified gives 13/5
6. So, 30/15 + 48/80 = 13/5
   In mixed form: 23/5

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