Add 7/18 and 80/90
7/18 + 80/90 is 23/18.
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,
7/18 = 7 × 5/18 × 5 = 35/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
35/90 + 80/90 = 35 + 80/90 = 115/90 - 115/90 simplified gives 23/18
- So, 7/18 + 80/90 = 23/18
In mixed form: 15/18
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