Answers

Add 84/56 and 80/40

1^st number: 1 28/56, 2^nd number: 2 0/40

84/56 + 80/40 is 7/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   84/56 = 84 × 5/56 × 5 = 420/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   80/40 = 80 × 7/40 × 7 = 560/280
4. Add the two like fractions:
   420/280 + 560/280 = 420 + 560/280 = 980/280
5. 980/280 simplified gives 7/2
6. So, 84/56 + 80/40 = 7/2
   In mixed form: 31/2

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