Answers

Add 7/84 and 8/10

7/84 + 8/10 is 53/60.

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,
   7/84 = 7 × 5/84 × 5 = 35/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   8/10 = 8 × 42/10 × 42 = 336/420
4. Add the two like fractions:
   35/420 + 336/420 = 35 + 336/420 = 371/420
5. 371/420 simplified gives 53/60
6. So, 7/84 + 8/10 = 53/60

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