Add 54/40 and 6/14
1st number: 1 14/40, 2nd number: 6/14
54/40 + 6/14 is 249/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
6/14 = 6 × 20/14 × 20 = 120/280 - Add the two like fractions:
378/280 + 120/280 = 378 + 120/280 = 498/280 - 498/280 simplified gives 249/140
- So, 54/40 + 6/14 = 249/140
In mixed form: 1109/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+12/14 54/80+6/14 54/40+6/28 54/40+18/14 54/40+6/42 54/40+30/14 54/40+6/70 54/40+42/14 54/40+6/98