Add 90/2 and 21/54
1st number: 45 0/2, 2nd number: 21/54
90/2 + 21/54 is 817/18.
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,
90/2 = 90 × 27/2 × 27 = 2430/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
2430/54 + 21/54 = 2430 + 21/54 = 2451/54 - 2451/54 simplified gives 817/18
- So, 90/2 + 21/54 = 817/18
In mixed form: 457/18
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