Add 72/14 and 6/18
1st number: 5 2/14, 2nd number: 6/18
72/14 + 6/18 is 115/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Add the two like fractions:
648/126 + 42/126 = 648 + 42/126 = 690/126 - 690/126 simplified gives 115/21
- So, 72/14 + 6/18 = 115/21
In mixed form: 510/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+12/18 72/28+6/18 72/14+6/36 72/42+6/18 72/14+6/54 72/14+30/18 72/70+6/18 72/14+6/90 72/14+42/18 72/98+6/18