Add 90/14 and 36/72
1st number: 6 6/14, 2nd number: 36/72
90/14 + 36/72 is 97/14.
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,
90/14 = 90 × 36/14 × 36 = 3240/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
36/72 = 36 × 7/72 × 7 = 252/504 - Add the two like fractions:
3240/504 + 252/504 = 3240 + 252/504 = 3492/504 - 3492/504 simplified gives 97/14
- So, 90/14 + 36/72 = 97/14
In mixed form: 613/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+36/72 90/42+36/72 90/70+36/72 90/98+36/72