Add 54/27 and 12/30
1st number: 2 0/27, 2nd number: 12/30
54/27 + 12/30 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
54/27 = 54 × 10/27 × 10 = 540/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Add the two like fractions:
540/270 + 108/270 = 540 + 108/270 = 648/270 - 648/270 simplified gives 12/5
- So, 54/27 + 12/30 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/27+24/30 54/27+12/60 54/27+36/30 54/81+12/30 54/27+12/90 54/27+60/30 54/27+84/30