Answers

Add 18/56 and 81/70

1^st number: 18/56, 2^nd number: 1 11/70

18/56 + 81/70 is 207/140.

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,
   81/70 = 81 × 4/70 × 4 = 324/280
4. Add the two like fractions:
   90/280 + 324/280 = 90 + 324/280 = 414/280
5. 414/280 simplified gives 207/140
6. So, 18/56 + 81/70 = 207/140
   In mixed form: 167/140

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