Add 45/18 and 5/14
1st number: 2 9/18, 2nd number: 5/14
45/18 + 5/14 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
5/14 = 5 × 9/14 × 9 = 45/126 - Add the two like fractions:
315/126 + 45/126 = 315 + 45/126 = 360/126 - 360/126 simplified gives 20/7
- So, 45/18 + 5/14 = 20/7
In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+5/14 45/18+10/14 45/36+5/14 45/18+5/28 45/18+15/14 45/54+5/14 45/18+5/42 45/18+25/14 45/90+5/14 45/18+5/70 45/18+35/14 45/18+5/98