Answers

Add 40/30 and 72/56

1^st number: 1 10/30, 2^nd number: 1 16/56

40/30 + 72/56 is 55/21.

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,
   40/30 = 40 × 28/30 × 28 = 1120/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   72/56 = 72 × 15/56 × 15 = 1080/840
4. Add the two like fractions:
   1120/840 + 1080/840 = 1120 + 1080/840 = 2200/840
5. 2200/840 simplified gives 55/21
6. So, 40/30 + 72/56 = 55/21
   In mixed form: 213/21

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