Answers

Add 8/28 and 54/80

8/28 + 54/80 is 269/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 28 × 20 = 560,
   8/28 = 8 × 20/28 × 20 = 160/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   54/80 = 54 × 7/80 × 7 = 378/560
4. Add the two like fractions:
   160/560 + 378/560 = 160 + 378/560 = 538/560
5. 538/560 simplified gives 269/280
6. So, 8/28 + 54/80 = 269/280

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