Add 4/6 and 15/21
4/6 + 15/21 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
4/6 = 4 × 7/6 × 7 = 28/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
15/21 = 15 × 2/21 × 2 = 30/42 - Add the two like fractions:
28/42 + 30/42 = 28 + 30/42 = 58/42 - 58/42 simplified gives 29/21
- So, 4/6 + 15/21 = 29/21
In mixed form: 18/21
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