Answers

Add 15/56 and 54/80

15/56 + 54/80 is 33/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 56 × 10 = 560,
   15/56 = 15 × 10/56 × 10 = 150/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   54/80 = 54 × 7/80 × 7 = 378/560
4. Add the two like fractions:
   150/560 + 378/560 = 150 + 378/560 = 528/560
5. 528/560 simplified gives 33/35
6. So, 15/56 + 54/80 = 33/35

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