Add 21/54 and 25/28
21/54 + 25/28 is 323/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
21/54 = 21 × 14/54 × 14 = 294/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
25/28 = 25 × 27/28 × 27 = 675/756 - Add the two like fractions:
294/756 + 675/756 = 294 + 675/756 = 969/756 - 969/756 simplified gives 323/252
- So, 21/54 + 25/28 = 323/252
In mixed form: 171/252
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