Answers

Add 56/84 and 4/80

56/84 + 4/80 is 43/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 84 × 20 = 1680,
   56/84 = 56 × 20/84 × 20 = 1120/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   4/80 = 4 × 21/80 × 21 = 84/1680
4. Add the two like fractions:
   1120/1680 + 84/1680 = 1120 + 84/1680 = 1204/1680
5. 1204/1680 simplified gives 43/60
6. So, 56/84 + 4/80 = 43/60

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