Add 54/12 and 6/45
1st number: 4 6/12, 2nd number: 6/45
54/12 + 6/45 is 139/30.
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,
54/12 = 54 × 15/12 × 15 = 810/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180 - Add the two like fractions:
810/180 + 24/180 = 810 + 24/180 = 834/180 - 834/180 simplified gives 139/30
- So, 54/12 + 6/45 = 139/30
In mixed form: 419/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+12/45 54/24+6/45 54/12+6/90 54/12+18/45 54/36+6/45 54/12+30/45 54/60+6/45 54/12+42/45 54/84+6/45