Answers

Add 2/45 and 56/80

2/45 + 56/80 is 67/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 45 × 16 = 720,
   2/45 = 2 × 16/45 × 16 = 32/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   56/80 = 56 × 9/80 × 9 = 504/720
4. Add the two like fractions:
   32/720 + 504/720 = 32 + 504/720 = 536/720
5. 536/720 simplified gives 67/90
6. So, 2/45 + 56/80 = 67/90

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