Add 9/27 and 42/30
1st number: 9/27, 2nd number: 1 12/30
9/27 + 42/30 is 26/15.
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,
9/27 = 9 × 10/27 × 10 = 90/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Add the two like fractions:
90/270 + 378/270 = 90 + 378/270 = 468/270 - 468/270 simplified gives 26/15
- So, 9/27 + 42/30 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/27+42/30 9/27+84/30 9/54+42/30 9/27+42/60 9/81+42/30 9/27+42/90 45/27+42/30 63/27+42/30