Add 28/14 and 14/90
1st number: 2 0/14, 2nd number: 14/90
28/14 + 14/90 is 97/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 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 90 × 7 = 630,
14/90 = 14 × 7/90 × 7 = 98/630 - Add the two like fractions:
1260/630 + 98/630 = 1260 + 98/630 = 1358/630 - 1358/630 simplified gives 97/45
- So, 28/14 + 14/90 = 97/45
In mixed form: 27/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+14/90 28/14+28/90 84/14+14/90 28/14+42/90 28/42+14/90 28/14+70/90 28/70+14/90 28/14+98/90 28/98+14/90