Answers

Add 7/80 and 2/42

7/80 + 2/42 is 227/1680.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 42 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 80 × 21 = 1680,
   7/80 = 7 × 21/80 × 21 = 147/1680
3. Likewise, for the 2nd fraction, since 42 × 40 = 1680,
   2/42 = 2 × 40/42 × 40 = 80/1680
4. Add the two like fractions:
   147/1680 + 80/1680 = 147 + 80/1680 = 227/1680
5. So, 7/80 + 2/42 = 227/1680

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