Answers

Add 2/63 and 40/80

2/63 + 40/80 is 67/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 80 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 63 × 80 = 5040,
   2/63 = 2 × 80/63 × 80 = 160/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   40/80 = 40 × 63/80 × 63 = 2520/5040
4. Add the two like fractions:
   160/5040 + 2520/5040 = 160 + 2520/5040 = 2680/5040
5. 2680/5040 simplified gives 67/126
6. So, 2/63 + 40/80 = 67/126

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