Answers

Add 8/40 and 54/70

8/40 + 54/70 is 34/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   8/40 = 8 × 7/40 × 7 = 56/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   54/70 = 54 × 4/70 × 4 = 216/280
4. Add the two like fractions:
   56/280 + 216/280 = 56 + 216/280 = 272/280
5. 272/280 simplified gives 34/35
6. So, 8/40 + 54/70 = 34/35

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