Add 28/16 and 7/45
1st number: 1 12/16, 2nd number: 7/45
28/16 + 7/45 is 343/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
7/45 = 7 × 16/45 × 16 = 112/720 - Add the two like fractions:
1260/720 + 112/720 = 1260 + 112/720 = 1372/720 - 1372/720 simplified gives 343/180
- So, 28/16 + 7/45 = 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: 56/16+7/45 28/16+14/45 28/32+7/45 28/16+7/90 84/16+7/45 28/16+21/45 28/48+7/45 28/16+35/45 28/80+7/45 28/16+49/45