Add 16/18 and 18/90
16/18 + 18/90 is 49/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Add the two like fractions:
80/90 + 18/90 = 80 + 18/90 = 98/90 - 98/90 simplified gives 49/45
- So, 16/18 + 18/90 = 49/45
In mixed form: 14/45
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