Answers

Add 1/84 and 80/10

1^st number: 1/84, 2^nd number: 8 0/10

1/84 + 80/10 is 673/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 10 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   1/84 = 1 × 5/84 × 5 = 5/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   80/10 = 80 × 42/10 × 42 = 3360/420
4. Add the two like fractions:
   5/420 + 3360/420 = 5 + 3360/420 = 3365/420
5. 3365/420 simplified gives 673/84
6. So, 1/84 + 80/10 = 673/84
   In mixed form: 81/84

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