Answers

Add 30/40 and 72/56

1^st number: 30/40, 2^nd number: 1 16/56

30/40 + 72/56 is 57/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   30/40 = 30 × 7/40 × 7 = 210/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   72/56 = 72 × 5/56 × 5 = 360/280
4. Add the two like fractions:
   210/280 + 360/280 = 210 + 360/280 = 570/280
5. 570/280 simplified gives 57/28
6. So, 30/40 + 72/56 = 57/28
   In mixed form: 21/28

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