Add 30/54 and 4/30
30/54 + 4/30 is 31/45.
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,
30/54 = 30 × 5/54 × 5 = 150/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
4/30 = 4 × 9/30 × 9 = 36/270 - Add the two like fractions:
150/270 + 36/270 = 150 + 36/270 = 186/270 - 186/270 simplified gives 31/45
- So, 30/54 + 4/30 = 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+4/30 30/54+8/30 30/54+4/60 90/54+4/30 30/54+12/30 30/54+4/90 30/54+20/30 30/54+28/30