Add 27/54 and 72/30
1st number: 27/54, 2nd number: 2 12/30
27/54 + 72/30 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
72/30 = 72 × 9/30 × 9 = 648/270 - Add the two like fractions:
135/270 + 648/270 = 135 + 648/270 = 783/270 - 783/270 simplified gives 29/10
- So, 27/54 + 72/30 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 27/54+72/60 81/54+72/30 27/54+72/90