Add 81/60 and 40/98
1st number: 1 21/60, 2nd number: 40/98
81/60 + 40/98 is 1723/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
81/60 = 81 × 49/60 × 49 = 3969/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
40/98 = 40 × 30/98 × 30 = 1200/2940 - Add the two like fractions:
3969/2940 + 1200/2940 = 3969 + 1200/2940 = 5169/2940 - 5169/2940 simplified gives 1723/980
- So, 81/60 + 40/98 = 1723/980
In mixed form: 1743/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/60+80/98