Add 56/28 and 54/40
1st number: 2 0/28, 2nd number: 1 14/40
56/28 + 54/40 is 67/20.
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,
56/28 = 56 × 10/28 × 10 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Add the two like fractions:
560/280 + 378/280 = 560 + 378/280 = 938/280 - 938/280 simplified gives 67/20
- So, 56/28 + 54/40 = 67/20
In mixed form: 37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28+54/80 56/84+54/40