Add 54/12 and 4/30
1st number: 4 6/12, 2nd number: 4/30
54/12 + 4/30 is 139/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
4/30 = 4 × 2/30 × 2 = 8/60 - Add the two like fractions:
270/60 + 8/60 = 270 + 8/60 = 278/60 - 278/60 simplified gives 139/30
- So, 54/12 + 4/30 = 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+8/30 54/24+4/30 54/12+4/60 54/12+12/30 54/36+4/30 54/12+4/90 54/12+20/30 54/60+4/30 54/12+28/30 54/84+4/30