Add 7/36 and 90/98
7/36 + 90/98 is 1963/1764.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 98 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
7/36 = 7 × 49/36 × 49 = 343/1764 - Likewise, for the 2nd fraction, since 98 × 18 = 1764,
90/98 = 90 × 18/98 × 18 = 1620/1764 - Add the two like fractions:
343/1764 + 1620/1764 = 343 + 1620/1764 = 1963/1764 - So, 7/36 + 90/98 = 1963/1764
In mixed form: 1199/1764
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36+90/98 7/72+90/98 21/36+90/98 35/36+90/98 49/36+90/98