Add 1/27 and 12/20
1/27 + 12/20 is 86/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
1/27 = 1 × 20/27 × 20 = 20/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
12/20 = 12 × 27/20 × 27 = 324/540 - Add the two like fractions:
20/540 + 324/540 = 20 + 324/540 = 344/540 - 344/540 simplified gives 86/135
- So, 1/27 + 12/20 = 86/135
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