Add 18/90 and 15/18
18/90 + 15/18 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
18/90 + 75/90 = 18 + 75/90 = 93/90 - 93/90 simplified gives 31/30
- So, 18/90 + 15/18 = 31/30
In mixed form: 11/30
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