Add 14/72 and 90/98
14/72 + 90/98 is 1963/1764.
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,
14/72 = 14 × 49/72 × 49 = 686/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
90/98 = 90 × 36/98 × 36 = 3240/3528 - Add the two like fractions:
686/3528 + 3240/3528 = 686 + 3240/3528 = 3926/3528 - 3926/3528 simplified gives 1963/1764
- So, 14/72 + 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: 28/72+90/98 42/72+90/98 70/72+90/98 98/72+90/98