Add 2/84 and 7/21
2/84 + 7/21 is 5/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
7/21 = 7 × 4/21 × 4 = 28/84 - Add the two like fractions:
2/84 + 28/84 = 2 + 28/84 = 30/84 - 30/84 simplified gives 5/14
- So, 2/84 + 7/21 = 5/14
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