Add 25/84 and 2/21
25/84 + 2/21 is 11/28.
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,
25/84 = 25 × 1/84 × 1 = 25/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84 - Add the two like fractions:
25/84 + 8/84 = 25 + 8/84 = 33/84 - 33/84 simplified gives 11/28
- So, 25/84 + 2/21 = 11/28
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