Add 12/27 and 63/30
1st number: 12/27, 2nd number: 2 3/30
12/27 + 63/30 is 229/90.
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,
12/27 = 12 × 10/27 × 10 = 120/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
63/30 = 63 × 9/30 × 9 = 567/270 - Add the two like fractions:
120/270 + 567/270 = 120 + 567/270 = 687/270 - 687/270 simplified gives 229/90
- So, 12/27 + 63/30 = 229/90
In mixed form: 249/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+63/30 12/54+63/30 12/27+63/60 36/27+63/30 12/81+63/30 12/27+63/90 60/27+63/30 84/27+63/30