Add 81/98 and 28/60
81/98 + 28/60 is 1901/1470.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 60 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 98 × 30 = 2940,
81/98 = 81 × 30/98 × 30 = 2430/2940 - Likewise, for the 2nd fraction, since 60 × 49 = 2940,
28/60 = 28 × 49/60 × 49 = 1372/2940 - Add the two like fractions:
2430/2940 + 1372/2940 = 2430 + 1372/2940 = 3802/2940 - 3802/2940 simplified gives 1901/1470
- So, 81/98 + 28/60 = 1901/1470
In mixed form: 1431/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/98+56/60 81/98+84/60