Add 3/14 and 21/42
3/14 + 21/42 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
3/14 = 3 × 3/14 × 3 = 9/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
21/42 = 21 × 1/42 × 1 = 21/42 - Add the two like fractions:
9/42 + 21/42 = 9 + 21/42 = 30/42 - 30/42 simplified gives 5/7
- So, 3/14 + 21/42 = 5/7
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