Answers

Add 42/84 and 10/50

42/84 + 10/50 is 7/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 50 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 84 × 25 = 2100,
   42/84 = 42 × 25/84 × 25 = 1050/2100
3. Likewise, for the 2nd fraction, since 50 × 42 = 2100,
   10/50 = 10 × 42/50 × 42 = 420/2100
4. Add the two like fractions:
   1050/2100 + 420/2100 = 1050 + 420/2100 = 1470/2100
5. 1470/2100 simplified gives 7/10
6. So, 42/84 + 10/50 = 7/10

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