Add 8/54 and 12/30
8/54 + 12/30 is 74/135.
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,
8/54 = 8 × 5/54 × 5 = 40/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Add the two like fractions:
40/270 + 108/270 = 40 + 108/270 = 148/270 - 148/270 simplified gives 74/135
- So, 8/54 + 12/30 = 74/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/54+12/30 8/54+24/30 8/54+12/60 24/54+12/30 8/54+36/30 8/54+12/90 40/54+12/30 8/54+60/30 56/54+12/30 8/54+84/30