Answers

Add 21/35 and 2/30

21/35 + 2/30 is 2/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   21/35 = 21 × 6/35 × 6 = 126/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   2/30 = 2 × 7/30 × 7 = 14/210
4. Add the two like fractions:
   126/210 + 14/210 = 126 + 14/210 = 140/210
5. 140/210 simplified gives 2/3
6. So, 21/35 + 2/30 = 2/3

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