Add 40/54 and 1/7
40/54 + 1/7 is 167/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
1/7 = 1 × 54/7 × 54 = 54/378 - Add the two like fractions:
280/378 + 54/378 = 280 + 54/378 = 334/378 - 334/378 simplified gives 167/189
- So, 40/54 + 1/7 = 167/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/54+1/7 40/54+2/7 40/54+1/14 40/54+3/7 40/54+1/21 40/54+5/7 40/54+1/35 40/54+1/49