Add 12/54 and 10/30
12/54 + 10/30 is 5/9.
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,
12/54 = 12 × 5/54 × 5 = 60/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
10/30 = 10 × 9/30 × 9 = 90/270 - Add the two like fractions:
60/270 + 90/270 = 60 + 90/270 = 150/270 - 150/270 simplified gives 5/9
- So, 12/54 + 10/30 = 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+10/30 12/54+20/30 12/54+10/60 36/54+10/30 12/54+10/90 60/54+10/30 12/54+50/30 84/54+10/30 12/54+70/30