Answers

Add 42/72 and 45/7

1^st number: 42/72, 2^nd number: 6 3/7

42/72 + 45/7 is 589/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 7 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   42/72 = 42 × 7/72 × 7 = 294/504
3. Likewise, for the 2nd fraction, since 7 × 72 = 504,
   45/7 = 45 × 72/7 × 72 = 3240/504
4. Add the two like fractions:
   294/504 + 3240/504 = 294 + 3240/504 = 3534/504
5. 3534/504 simplified gives 589/84
6. So, 42/72 + 45/7 = 589/84
   In mixed form: 71/84

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