Answers

Add 48/15 and 98/80

1^st number: 3 3/15, 2^nd number: 1 18/80

48/15 + 98/80 is 177/40.

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,
   48/15 = 48 × 16/15 × 16 = 768/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   98/80 = 98 × 3/80 × 3 = 294/240
4. Add the two like fractions:
   768/240 + 294/240 = 768 + 294/240 = 1062/240
5. 1062/240 simplified gives 177/40
6. So, 48/15 + 98/80 = 177/40
   In mixed form: 417/40

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