Add 21/18 and 5/14
1st number: 1 3/18, 2nd number: 5/14
21/18 + 5/14 is 32/21.
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,
21/18 = 21 × 7/18 × 7 = 147/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
5/14 = 5 × 9/14 × 9 = 45/126 - Add the two like fractions:
147/126 + 45/126 = 147 + 45/126 = 192/126 - 192/126 simplified gives 32/21
- So, 21/18 + 5/14 = 32/21
In mixed form: 111/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/18+5/14 21/18+10/14 21/36+5/14 21/18+5/28 63/18+5/14 21/18+15/14 21/54+5/14 21/18+5/42 21/18+25/14 21/90+5/14 21/18+5/70 21/18+35/14 21/18+5/98