Add 20/27 and 4/30
20/27 + 4/30 is 118/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
4/30 = 4 × 9/30 × 9 = 36/270 - Add the two like fractions:
200/270 + 36/270 = 200 + 36/270 = 236/270 - 236/270 simplified gives 118/135
- So, 20/27 + 4/30 = 118/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+4/30 20/27+8/30 20/54+4/30 20/27+4/60 60/27+4/30 20/27+12/30 20/81+4/30 20/27+4/90 20/27+20/30 20/27+28/30