Add 5/28 and 54/40
1st number: 5/28, 2nd number: 1 14/40
5/28 + 54/40 is 107/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
5/28 = 5 × 10/28 × 10 = 50/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Add the two like fractions:
50/280 + 378/280 = 50 + 378/280 = 428/280 - 428/280 simplified gives 107/70
- So, 5/28 + 54/40 = 107/70
In mixed form: 137/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28+54/40 5/56+54/40 5/28+54/80 15/28+54/40 5/84+54/40 25/28+54/40 35/28+54/40