Answers

Add 30/80 and 81/56

1^st number: 30/80, 2^nd number: 1 25/56

30/80 + 81/56 is 51/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 56 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   30/80 = 30 × 7/80 × 7 = 210/560
3. Likewise, for the 2nd fraction, since 56 × 10 = 560,
   81/56 = 81 × 10/56 × 10 = 810/560
4. Add the two like fractions:
   210/560 + 810/560 = 210 + 810/560 = 1020/560
5. 1020/560 simplified gives 51/28
6. So, 30/80 + 81/56 = 51/28
   In mixed form: 123/28

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