Answers

Add 70/84 and 84/10

1^st number: 70/84, 2^nd number: 8 4/10

70/84 + 84/10 is 277/30.

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,
   70/84 = 70 × 5/84 × 5 = 350/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   84/10 = 84 × 42/10 × 42 = 3528/420
4. Add the two like fractions:
   350/420 + 3528/420 = 350 + 3528/420 = 3878/420
5. 3878/420 simplified gives 277/30
6. So, 70/84 + 84/10 = 277/30
   In mixed form: 97/30

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