Add 14/42 and 48/54
14/42 + 48/54 is 11/9.
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,
48/54 = 48 × 7/54 × 7 = 336/378 - Add the two like fractions:
126/378 + 336/378 = 126 + 336/378 = 462/378 - 462/378 simplified gives 11/9
- So, 14/42 + 48/54 = 11/9
In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+48/54 14/42+96/54 14/84+48/54 70/42+48/54 98/42+48/54