Answers

Add 56/18 and 80/72

1^st number: 3 2/18, 2^nd number: 1 8/72

56/18 + 80/72 is 38/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   56/18 = 56 × 4/18 × 4 = 224/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   80/72 = 80 × 1/72 × 1 = 80/72
4. Add the two like fractions:
   224/72 + 80/72 = 224 + 80/72 = 304/72
5. 304/72 simplified gives 38/9
6. So, 56/18 + 80/72 = 38/9
   In mixed form: 42/9

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