Answers

Add 4/84 and 15/10

1^st number: 4/84, 2^nd number: 1 5/10

4/84 + 15/10 is 65/42.

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,
   4/84 = 4 × 5/84 × 5 = 20/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   15/10 = 15 × 42/10 × 42 = 630/420
4. Add the two like fractions:
   20/420 + 630/420 = 20 + 630/420 = 650/420
5. 650/420 simplified gives 65/42
6. So, 4/84 + 15/10 = 65/42
   In mixed form: 123/42

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