Answers

Add 49/84 and 2/40

49/84 + 2/40 is 19/30.

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,
   49/84 = 49 × 10/84 × 10 = 490/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   2/40 = 2 × 21/40 × 21 = 42/840
4. Add the two like fractions:
   490/840 + 42/840 = 490 + 42/840 = 532/840
5. 532/840 simplified gives 19/30
6. So, 49/84 + 2/40 = 19/30

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