Add 28/98 and 54/40
1st number: 28/98, 2nd number: 1 14/40
28/98 + 54/40 is 229/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
28/98 = 28 × 20/98 × 20 = 560/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
54/40 = 54 × 49/40 × 49 = 2646/1960 - Add the two like fractions:
560/1960 + 2646/1960 = 560 + 2646/1960 = 3206/1960 - 3206/1960 simplified gives 229/140
- So, 28/98 + 54/40 = 229/140
In mixed form: 189/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98+54/40 28/98+54/80 84/98+54/40