Add 20/45 and 14/30
20/45 + 14/30 is 41/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
20/45 = 20 × 2/45 × 2 = 40/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
14/30 = 14 × 3/30 × 3 = 42/90 - Add the two like fractions:
40/90 + 42/90 = 40 + 42/90 = 82/90 - 82/90 simplified gives 41/45
- So, 20/45 + 14/30 = 41/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45+14/30 20/45+28/30 20/90+14/30 20/45+14/60 60/45+14/30 20/45+42/30 20/45+14/90 20/45+70/30 20/45+98/30