Add 14/18 and 16/20
14/18 + 16/20 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
14/18 = 14 × 10/18 × 10 = 140/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
16/20 = 16 × 9/20 × 9 = 144/180 - Add the two like fractions:
140/180 + 144/180 = 140 + 144/180 = 284/180 - 284/180 simplified gives 71/45
- So, 14/18 + 16/20 = 71/45
In mixed form: 126/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18+16/20 14/18+32/20 14/36+16/20 14/18+16/40 42/18+16/20 14/18+48/20 14/54+16/20 14/18+16/60 70/18+16/20 14/18+80/20 14/90+16/20 98/18+16/20