Answers

Add 64/56 and 20/80

1^st number: 1 8/56, 2^nd number: 20/80

64/56 + 20/80 is 39/28.

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,
   64/56 = 64 × 10/56 × 10 = 640/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   20/80 = 20 × 7/80 × 7 = 140/560
4. Add the two like fractions:
   640/560 + 140/560 = 640 + 140/560 = 780/560
5. 780/560 simplified gives 39/28
6. So, 64/56 + 20/80 = 39/28
   In mixed form: 111/28

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