Add 28/14 and 25/45
1st number: 2 0/14, 2nd number: 25/45
28/14 + 25/45 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
28/14 = 28 × 45/14 × 45 = 1260/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
25/45 = 25 × 14/45 × 14 = 350/630 - Add the two like fractions:
1260/630 + 350/630 = 1260 + 350/630 = 1610/630 - 1610/630 simplified gives 23/9
- So, 28/14 + 25/45 = 23/9
In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+25/45 28/14+50/45 28/14+25/90 84/14+25/45 28/14+75/45 28/42+25/45 28/70+25/45 28/98+25/45