Add 90/18 and 20/54
1st number: 5 0/18, 2nd number: 20/54
90/18 + 20/54 is 145/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 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 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Add the two like fractions:
270/54 + 20/54 = 270 + 20/54 = 290/54 - 290/54 simplified gives 145/27
- So, 90/18 + 20/54 = 145/27
In mixed form: 510/27
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