Add 90/18 and 20/27
1st number: 5 0/18, 2nd number: 20/27
90/18 + 20/27 is 155/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
90/18 = 90 × 3/18 × 3 = 270/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Add the two like fractions:
270/54 + 40/54 = 270 + 40/54 = 310/54 - 310/54 simplified gives 155/27
- So, 90/18 + 20/27 = 155/27
In mixed form: 520/27
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