Answers

Add 75/56 and 42/80

1^st number: 1 19/56, 2^nd number: 42/80

75/56 + 42/80 is 261/140.

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,
   75/56 = 75 × 10/56 × 10 = 750/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   42/80 = 42 × 7/80 × 7 = 294/560
4. Add the two like fractions:
   750/560 + 294/560 = 750 + 294/560 = 1044/560
5. 1044/560 simplified gives 261/140
6. So, 75/56 + 42/80 = 261/140
   In mixed form: 1121/140

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