Add 6/21 and 25/28
6/21 + 25/28 is 33/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
6/21 = 6 × 4/21 × 4 = 24/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
25/28 = 25 × 3/28 × 3 = 75/84 - Add the two like fractions:
24/84 + 75/84 = 24 + 75/84 = 99/84 - 99/84 simplified gives 33/28
- So, 6/21 + 25/28 = 33/28
In mixed form: 15/28
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