Answers

Add 42/9 and 60/80

1^st number: 4 6/9, 2^nd number: 60/80

42/9 + 60/80 is 65/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 9 × 80 = 720,
   42/9 = 42 × 80/9 × 80 = 3360/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   60/80 = 60 × 9/80 × 9 = 540/720
4. Add the two like fractions:
   3360/720 + 540/720 = 3360 + 540/720 = 3900/720
5. 3900/720 simplified gives 65/12
6. So, 42/9 + 60/80 = 65/12
   In mixed form: 55/12

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