Answers

Add 27/15 and 63/80

1^st number: 1 12/15, 2^nd number: 63/80

27/15 + 63/80 is 207/80.

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,
   27/15 = 27 × 16/15 × 16 = 432/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   63/80 = 63 × 3/80 × 3 = 189/240
4. Add the two like fractions:
   432/240 + 189/240 = 432 + 189/240 = 621/240
5. 621/240 simplified gives 207/80
6. So, 27/15 + 63/80 = 207/80
   In mixed form: 247/80

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