## Add 21/42 and 35/70

21/42 + 35/70 is 1/1.

#### Steps for adding fractions

- Find the least common denominator or LCM of the two denominators:

LCM of 42 and 70 is **210**

Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,

21/42 = 21 × 5/42 × 5 = 105/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,

35/70 = 35 × 3/70 × 3 = 105/210 - Add the two like fractions:

105/210 + 105/210 = 105 + 105/210 = 210/210 - 210/210 simplified gives 1/1
- So, 21/42 + 35/70 = 1/1

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