Answers

Add 84/28 and 10/80

1^st number: 3 0/28, 2^nd number: 10/80

84/28 + 10/80 is 25/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 28 × 20 = 560,
   84/28 = 84 × 20/28 × 20 = 1680/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   10/80 = 10 × 7/80 × 7 = 70/560
4. Add the two like fractions:
   1680/560 + 70/560 = 1680 + 70/560 = 1750/560
5. 1750/560 simplified gives 25/8
6. So, 84/28 + 10/80 = 25/8
   In mixed form: 31/8

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