Add 90/6 and 20/18
1st number: 15 0/6, 2nd number: 1 2/18
90/6 + 20/18 is 145/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
90/6 = 90 × 3/6 × 3 = 270/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Add the two like fractions:
270/18 + 20/18 = 270 + 20/18 = 290/18 - 290/18 simplified gives 145/9
- So, 90/6 + 20/18 = 145/9
In mixed form: 161/9
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