Answers

Add 72/40 and 3/56

1^st number: 1 32/40, 2^nd number: 3/56

72/40 + 3/56 is 519/280.

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,
   72/40 = 72 × 7/40 × 7 = 504/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   3/56 = 3 × 5/56 × 5 = 15/280
4. Add the two like fractions:
   504/280 + 15/280 = 504 + 15/280 = 519/280
5. So, 72/40 + 3/56 = 519/280
   In mixed form: 1239/280

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