Add 7/21 and 5/6
7/21 + 5/6 is 7/6.
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,
7/21 = 7 × 2/21 × 2 = 14/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42 - Add the two like fractions:
14/42 + 35/42 = 14 + 35/42 = 49/42 - 49/42 simplified gives 7/6
- So, 7/21 + 5/6 = 7/6
In mixed form: 11/6
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