Answers

Add 28/56 and 28/80

28/56 + 28/80 is 17/20.

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,
   28/56 = 28 × 10/56 × 10 = 280/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   28/80 = 28 × 7/80 × 7 = 196/560
4. Add the two like fractions:
   280/560 + 196/560 = 280 + 196/560 = 476/560
5. 476/560 simplified gives 17/20
6. So, 28/56 + 28/80 = 17/20

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