Answers

Add 10/84 and 90/10

1^st number: 10/84, 2^nd number: 9 0/10

10/84 + 90/10 is 383/42.

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,
   90/10 = 90 × 42/10 × 42 = 3780/420
4. Add the two like fractions:
   50/420 + 3780/420 = 50 + 3780/420 = 3830/420
5. 3830/420 simplified gives 383/42
6. So, 10/84 + 90/10 = 383/42
   In mixed form: 95/42

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