Answers

Add 15/56 and 40/20

1^st number: 15/56, 2^nd number: 2 0/20

15/56 + 40/20 is 127/56.

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,
   15/56 = 15 × 5/56 × 5 = 75/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   40/20 = 40 × 14/20 × 14 = 560/280
4. Add the two like fractions:
   75/280 + 560/280 = 75 + 560/280 = 635/280
5. 635/280 simplified gives 127/56
6. So, 15/56 + 40/20 = 127/56
   In mixed form: 215/56

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