Add 27/42 and 14/80
27/42 + 14/80 is 229/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
27/42 = 27 × 40/42 × 40 = 1080/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
14/80 = 14 × 21/80 × 21 = 294/1680 - Add the two like fractions:
1080/1680 + 294/1680 = 1080 + 294/1680 = 1374/1680 - 1374/1680 simplified gives 229/280
- So, 27/42 + 14/80 = 229/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+14/80 27/42+28/80 27/84+14/80 81/42+14/80 27/42+42/80 27/42+70/80 27/42+98/80