Answers

Add 60/84 and 10/40

60/84 + 10/40 is 27/28.

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,
   60/84 = 60 × 10/84 × 10 = 600/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   10/40 = 10 × 21/40 × 21 = 210/840
4. Add the two like fractions:
   600/840 + 210/840 = 600 + 210/840 = 810/840
5. 810/840 simplified gives 27/28
6. So, 60/84 + 10/40 = 27/28

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