Answers

Add 4/84 and 10/40

4/84 + 10/40 is 25/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 84 × 10 = 840,
   4/84 = 4 × 10/84 × 10 = 40/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   10/40 = 10 × 21/40 × 21 = 210/840
4. Add the two like fractions:
   40/840 + 210/840 = 40 + 210/840 = 250/840
5. 250/840 simplified gives 25/84
6. So, 4/84 + 10/40 = 25/84

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