Answers

Add 72/30 and 40/56

1^st number: 2 12/30, 2^nd number: 40/56

72/30 + 40/56 is 109/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   72/30 = 72 × 28/30 × 28 = 2016/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   40/56 = 40 × 15/56 × 15 = 600/840
4. Add the two like fractions:
   2016/840 + 600/840 = 2016 + 600/840 = 2616/840
5. 2616/840 simplified gives 109/35
6. So, 72/30 + 40/56 = 109/35
   In mixed form: 34/35

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