Answers

Add 80/56 and 28/80

1^st number: 1 24/56, 2^nd number: 28/80

80/56 + 28/80 is 249/140.

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,
   80/56 = 80 × 10/56 × 10 = 800/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   28/80 = 28 × 7/80 × 7 = 196/560
4. Add the two like fractions:
   800/560 + 196/560 = 800 + 196/560 = 996/560
5. 996/560 simplified gives 249/140
6. So, 80/56 + 28/80 = 249/140
   In mixed form: 1109/140

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