Answers

Add 80/4 and 42/72

1^st number: 20 0/4, 2^nd number: 42/72

80/4 + 42/72 is 247/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 4 × 18 = 72,
   80/4 = 80 × 18/4 × 18 = 1440/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   42/72 = 42 × 1/72 × 1 = 42/72
4. Add the two like fractions:
   1440/72 + 42/72 = 1440 + 42/72 = 1482/72
5. 1482/72 simplified gives 247/12
6. So, 80/4 + 42/72 = 247/12
   In mixed form: 207/12

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