Add 54/40 and 14/28
1st number: 1 14/40, 2nd number: 14/28
54/40 + 14/28 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 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 28 × 10 = 280,
14/28 = 14 × 10/28 × 10 = 140/280 - Add the two like fractions:
378/280 + 140/280 = 378 + 140/280 = 518/280 - 518/280 simplified gives 37/20
- So, 54/40 + 14/28 = 37/20
In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+14/28 54/40+14/56 54/40+42/28 54/40+14/84 54/40+70/28 54/40+98/28