Add 30/90 and 14/54
30/90 + 14/54 is 16/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
30/90 = 30 × 3/90 × 3 = 90/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
14/54 = 14 × 5/54 × 5 = 70/270 - Add the two like fractions:
90/270 + 70/270 = 90 + 70/270 = 160/270 - 160/270 simplified gives 16/27
- So, 30/90 + 14/54 = 16/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+14/54 30/90+28/54 30/90+42/54 30/90+70/54 30/90+98/54