Add 90/5 and 20/18
1st number: 18 0/5, 2nd number: 1 2/18
90/5 + 20/18 is 172/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
90/5 = 90 × 18/5 × 18 = 1620/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Add the two like fractions:
1620/90 + 100/90 = 1620 + 100/90 = 1720/90 - 1720/90 simplified gives 172/9
- So, 90/5 + 20/18 = 172/9
In mixed form: 191/9
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