Add 6/14 and 90/72
1st number: 6/14, 2nd number: 1 18/72
6/14 + 90/72 is 47/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
6/14 = 6 × 36/14 × 36 = 216/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
90/72 = 90 × 7/72 × 7 = 630/504 - Add the two like fractions:
216/504 + 630/504 = 216 + 630/504 = 846/504 - 846/504 simplified gives 47/28
- So, 6/14 + 90/72 = 47/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/14+90/72 6/28+90/72 18/14+90/72 6/42+90/72 30/14+90/72 6/70+90/72 42/14+90/72 6/98+90/72