Add 21/4 and 81/27
1st number: 5 1/4, 2nd number: 3 0/27
21/4 + 81/27 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
21/4 = 21 × 27/4 × 27 = 567/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
81/27 = 81 × 4/27 × 4 = 324/108 - Add the two like fractions:
567/108 + 324/108 = 567 + 324/108 = 891/108 - 891/108 simplified gives 33/4
- So, 21/4 + 81/27 = 33/4
In mixed form: 81/4
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