Add 18/90 and 10/12
18/90 + 10/12 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
18/90 = 18 × 2/90 × 2 = 36/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
10/12 = 10 × 15/12 × 15 = 150/180 - Add the two like fractions:
36/180 + 150/180 = 36 + 150/180 = 186/180 - 186/180 simplified gives 31/30
- So, 18/90 + 10/12 = 31/30
In mixed form: 11/30
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