Add 14/42 and 9/54
14/42 + 9/54 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
14/42 = 14 × 9/42 × 9 = 126/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Add the two like fractions:
126/378 + 63/378 = 126 + 63/378 = 189/378 - 189/378 simplified gives 1/2
- So, 14/42 + 9/54 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+9/54 14/42+18/54 14/84+9/54 14/42+27/54 70/42+9/54 14/42+45/54 98/42+9/54 14/42+63/54