Answers

Add 18/56 and 9/70

18/56 + 9/70 is 9/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   18/56 = 18 × 5/56 × 5 = 90/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   9/70 = 9 × 4/70 × 4 = 36/280
4. Add the two like fractions:
   90/280 + 36/280 = 90 + 36/280 = 126/280
5. 126/280 simplified gives 9/20
6. So, 18/56 + 9/70 = 9/20

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