Answers

Add 3/72 and 90/56

1^st number: 3/72, 2^nd number: 1 34/56

3/72 + 90/56 is 277/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   3/72 = 3 × 7/72 × 7 = 21/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   90/56 = 90 × 9/56 × 9 = 810/504
4. Add the two like fractions:
   21/504 + 810/504 = 21 + 810/504 = 831/504
5. 831/504 simplified gives 277/168
6. So, 3/72 + 90/56 = 277/168
   In mixed form: 1109/168

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