Add 54/84 and 2/30
54/84 + 2/30 is 149/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
2/30 = 2 × 14/30 × 14 = 28/420 - Add the two like fractions:
270/420 + 28/420 = 270 + 28/420 = 298/420 - 298/420 simplified gives 149/210
- So, 54/84 + 2/30 = 149/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+4/30 54/84+2/60 54/84+6/30 54/84+2/90 54/84+10/30 54/84+14/30