Answers

Add 80/16 and 42/45

1^st number: 5 0/16, 2^nd number: 42/45

80/16 + 42/45 is 89/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 16 × 45 = 720,
   80/16 = 80 × 45/16 × 45 = 3600/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   42/45 = 42 × 16/45 × 16 = 672/720
4. Add the two like fractions:
   3600/720 + 672/720 = 3600 + 672/720 = 4272/720
5. 4272/720 simplified gives 89/15
6. So, 80/16 + 42/45 = 89/15
   In mixed form: 514/15

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