Answers

Add 9/56 and 8/70

9/56 + 8/70 is 11/40.

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,
   9/56 = 9 × 5/56 × 5 = 45/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   8/70 = 8 × 4/70 × 4 = 32/280
4. Add the two like fractions:
   45/280 + 32/280 = 45 + 32/280 = 77/280
5. 77/280 simplified gives 11/40
6. So, 9/56 + 8/70 = 11/40

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