Add 14/20 and 5/45
14/20 + 5/45 is 73/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
5/45 = 5 × 4/45 × 4 = 20/180 - Add the two like fractions:
126/180 + 20/180 = 126 + 20/180 = 146/180 - 146/180 simplified gives 73/90
- So, 14/20 + 5/45 = 73/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20+5/45 14/20+10/45 14/40+5/45 14/20+5/90 42/20+5/45 14/20+15/45 14/60+5/45 70/20+5/45 14/20+25/45 98/20+5/45 14/20+35/45