Answers

Add 12/70 and 54/56

12/70 + 54/56 is 159/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   12/70 = 12 × 4/70 × 4 = 48/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   54/56 = 54 × 5/56 × 5 = 270/280
4. Add the two like fractions:
   48/280 + 270/280 = 48 + 270/280 = 318/280
5. 318/280 simplified gives 159/140
6. So, 12/70 + 54/56 = 159/140
   In mixed form: 119/140

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