Add 1/42 and 7/54
1/42 + 7/54 is 29/189.
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,
1/42 = 1 × 9/42 × 9 = 9/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
7/54 = 7 × 7/54 × 7 = 49/378 - Add the two like fractions:
9/378 + 49/378 = 9 + 49/378 = 58/378 - 58/378 simplified gives 29/189
- So, 1/42 + 7/54 = 29/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+7/54 1/42+14/54 1/84+7/54 3/42+7/54 1/42+21/54 5/42+7/54 1/42+35/54 7/42+7/54 1/42+49/54