Add 54/12 and 24/90
1st number: 4 6/12, 2nd number: 24/90
54/12 + 24/90 is 143/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 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 90 × 2 = 180,
24/90 = 24 × 2/90 × 2 = 48/180 - Add the two like fractions:
810/180 + 48/180 = 810 + 48/180 = 858/180 - 858/180 simplified gives 143/30
- So, 54/12 + 24/90 = 143/30
In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+48/90 54/24+24/90 54/12+72/90 54/36+24/90 54/60+24/90 54/84+24/90