Answers

Add 49/70 and 4/40

49/70 + 4/40 is 4/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   49/70 = 49 × 4/70 × 4 = 196/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   4/40 = 4 × 7/40 × 7 = 28/280
4. Add the two like fractions:
   196/280 + 28/280 = 196 + 28/280 = 224/280
5. 224/280 simplified gives 4/5
6. So, 49/70 + 4/40 = 4/5

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