Add 14/90 and 7/4
1st number: 14/90, 2nd number: 1 3/4
14/90 + 7/4 is 343/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
14/90 = 14 × 2/90 × 2 = 28/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Add the two like fractions:
28/180 + 315/180 = 28 + 315/180 = 343/180 - So, 14/90 + 7/4 = 343/180
In mixed form: 1163/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90+7/4 14/90+14/4 14/90+7/8 42/90+7/4 14/90+21/4 14/90+7/12 70/90+7/4 14/90+35/4 14/90+7/20 98/90+7/4 14/90+49/4 14/90+7/28