Add 21/84 and 7/14
21/84 + 7/14 is 3/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
7/14 = 7 × 6/14 × 6 = 42/84 - Add the two like fractions:
21/84 + 42/84 = 21 + 42/84 = 63/84 - 63/84 simplified gives 3/4
- So, 21/84 + 7/14 = 3/4
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