Add 6/21 and 4/6
6/21 + 4/6 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
6/21 = 6 × 2/21 × 2 = 12/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
4/6 = 4 × 7/6 × 7 = 28/42 - Add the two like fractions:
12/42 + 28/42 = 12 + 28/42 = 40/42 - 40/42 simplified gives 20/21
- So, 6/21 + 4/6 = 20/21
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