Add 20/40 and 12/27
20/40 + 12/27 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
12/27 = 12 × 40/27 × 40 = 480/1080 - Add the two like fractions:
540/1080 + 480/1080 = 540 + 480/1080 = 1020/1080 - 1020/1080 simplified gives 17/18
- So, 20/40 + 12/27 = 17/18
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