Add 21/2 and 72/54
1st number: 10 1/2, 2nd number: 1 18/54
21/2 + 72/54 is 71/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 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 54 × 1 = 54,
72/54 = 72 × 1/54 × 1 = 72/54 - Add the two like fractions:
567/54 + 72/54 = 567 + 72/54 = 639/54 - 639/54 simplified gives 71/6
- So, 21/2 + 72/54 = 71/6
In mixed form: 115/6
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