Answers

Add 49/56 and 42/20

1^st number: 49/56, 2^nd number: 2 2/20

49/56 + 42/20 is 119/40.

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,
   49/56 = 49 × 5/56 × 5 = 245/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   42/20 = 42 × 14/20 × 14 = 588/280
4. Add the two like fractions:
   245/280 + 588/280 = 245 + 588/280 = 833/280
5. 833/280 simplified gives 119/40
6. So, 49/56 + 42/20 = 119/40
   In mixed form: 239/40

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