Add 35/72 and 90/98
35/72 + 90/98 is 4955/3528.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
35/72 = 35 × 49/72 × 49 = 1715/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
90/98 = 90 × 36/98 × 36 = 3240/3528 - Add the two like fractions:
1715/3528 + 3240/3528 = 1715 + 3240/3528 = 4955/3528 - So, 35/72 + 90/98 = 4955/3528
In mixed form: 11427/3528
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+90/98