Add 21/2 and 90/27
1st number: 10 1/2, 2nd number: 3 9/27
21/2 + 90/27 is 83/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
21/2 = 21 × 27/2 × 27 = 567/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
90/27 = 90 × 2/27 × 2 = 180/54 - Add the two like fractions:
567/54 + 180/54 = 567 + 180/54 = 747/54 - 747/54 simplified gives 83/6
- So, 21/2 + 90/27 = 83/6
In mixed form: 135/6
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