Answers

Add 10/84 and 75/10

1^st number: 10/84, 2^nd number: 7 5/10

10/84 + 75/10 is 160/21.

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,
   10/84 = 10 × 5/84 × 5 = 50/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   75/10 = 75 × 42/10 × 42 = 3150/420
4. Add the two like fractions:
   50/420 + 3150/420 = 50 + 3150/420 = 3200/420
5. 3200/420 simplified gives 160/21
6. So, 10/84 + 75/10 = 160/21
   In mixed form: 713/21

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