Answers

Add 27/56 and 40/20

1^st number: 27/56, 2^nd number: 2 0/20

27/56 + 40/20 is 139/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   27/56 = 27 × 5/56 × 5 = 135/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   40/20 = 40 × 14/20 × 14 = 560/280
4. Add the two like fractions:
   135/280 + 560/280 = 135 + 560/280 = 695/280
5. 695/280 simplified gives 139/56
6. So, 27/56 + 40/20 = 139/56
   In mixed form: 227/56

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