Answers

Add 72/42 and 56/64

1^st number: 1 30/42, 2^nd number: 56/64

72/42 + 56/64 is 145/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 64 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 42 × 32 = 1344,
   72/42 = 72 × 32/42 × 32 = 2304/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   56/64 = 56 × 21/64 × 21 = 1176/1344
4. Add the two like fractions:
   2304/1344 + 1176/1344 = 2304 + 1176/1344 = 3480/1344
5. 3480/1344 simplified gives 145/56
6. So, 72/42 + 56/64 = 145/56
   In mixed form: 233/56

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