Add 27/18 and 4/7
1st number: 1 9/18, 2nd number: 4/7
27/18 + 4/7 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
27/18 = 27 × 7/18 × 7 = 189/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
4/7 = 4 × 18/7 × 18 = 72/126 - Add the two like fractions:
189/126 + 72/126 = 189 + 72/126 = 261/126 - 261/126 simplified gives 29/14
- So, 27/18 + 4/7 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+4/7 27/18+8/7 27/36+4/7 27/18+4/14 81/18+4/7 27/18+12/7 27/54+4/7 27/18+4/21 27/18+20/7 27/90+4/7 27/18+4/35 27/18+28/7 27/18+4/49