Answers

Add 6/90 and 63/84

6/90 + 63/84 is 49/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   6/90 = 6 × 14/90 × 14 = 84/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   63/84 = 63 × 15/84 × 15 = 945/1260
4. Add the two like fractions:
   84/1260 + 945/1260 = 84 + 945/1260 = 1029/1260
5. 1029/1260 simplified gives 49/60
6. So, 6/90 + 63/84 = 49/60

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