Answers

Add 28/60 and 14/70

28/60 + 14/70 is 2/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   28/60 = 28 × 7/60 × 7 = 196/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   14/70 = 14 × 6/70 × 6 = 84/420
4. Add the two like fractions:
   196/420 + 84/420 = 196 + 84/420 = 280/420
5. 280/420 simplified gives 2/3
6. So, 28/60 + 14/70 = 2/3

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