Add 18/27 and 90/40
1st number: 18/27, 2nd number: 2 10/40
18/27 + 90/40 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
18/27 = 18 × 40/27 × 40 = 720/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
90/40 = 90 × 27/40 × 27 = 2430/1080 - Add the two like fractions:
720/1080 + 2430/1080 = 720 + 2430/1080 = 3150/1080 - 3150/1080 simplified gives 35/12
- So, 18/27 + 90/40 = 35/12
In mixed form: 211/12
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