Answers

Add 42/84 and 18/25

42/84 + 18/25 is 61/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 25 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 25 × 84 = 2100,
   18/25 = 18 × 84/25 × 84 = 1512/2100
4. Add the two like fractions:
   1050/2100 + 1512/2100 = 1050 + 1512/2100 = 2562/2100
5. 2562/2100 simplified gives 61/50
6. So, 42/84 + 18/25 = 61/50
   In mixed form: 111/50

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