Add 21/28 and 1/54
21/28 + 1/54 is 83/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
21/28 = 21 × 27/28 × 27 = 567/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
1/54 = 1 × 14/54 × 14 = 14/756 - Add the two like fractions:
567/756 + 14/756 = 567 + 14/756 = 581/756 - 581/756 simplified gives 83/108
- So, 21/28 + 1/54 = 83/108
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