Answers

Add 20/15 and 1/80

1^st number: 1 5/15, 2^nd number: 1/80

20/15 + 1/80 is 323/240.

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,
   20/15 = 20 × 16/15 × 16 = 320/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   1/80 = 1 × 3/80 × 3 = 3/240
4. Add the two like fractions:
   320/240 + 3/240 = 320 + 3/240 = 323/240
5. So, 20/15 + 1/80 = 323/240
   In mixed form: 183/240

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