Add 54/14 and 54/40
1st number: 3 12/14, 2nd number: 1 14/40
54/14 + 54/40 is 729/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
54/14 = 54 × 20/14 × 20 = 1080/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Add the two like fractions:
1080/280 + 378/280 = 1080 + 378/280 = 1458/280 - 1458/280 simplified gives 729/140
- So, 54/14 + 54/40 = 729/140
In mixed form: 529/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+54/40 54/14+54/80 54/42+54/40 54/70+54/40 54/98+54/40