Add 25/12 and 7/45
1st number: 2 1/12, 2nd number: 7/45
25/12 + 7/45 is 403/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
25/12 = 25 × 15/12 × 15 = 375/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Add the two like fractions:
375/180 + 28/180 = 375 + 28/180 = 403/180 - So, 25/12 + 7/45 = 403/180
In mixed form: 243/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+7/45 25/12+14/45 25/24+7/45 25/12+7/90 75/12+7/45 25/12+21/45 25/36+7/45 25/12+35/45 25/60+7/45 25/12+49/45 25/84+7/45