Add 18/27 and 14/42
18/27 + 14/42 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
18/27 = 18 × 14/27 × 14 = 252/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
14/42 = 14 × 9/42 × 9 = 126/378 - Add the two like fractions:
252/378 + 126/378 = 252 + 126/378 = 378/378 - 378/378 simplified gives 1/1
- So, 18/27 + 14/42 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+14/42 18/27+28/42 18/54+14/42 18/27+14/84 54/27+14/42 18/81+14/42 90/27+14/42 18/27+70/42 18/27+98/42