Add 6/81 and 90/49
1st number: 6/81, 2nd number: 1 41/49
6/81 + 90/49 is 2528/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
6/81 = 6 × 49/81 × 49 = 294/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
90/49 = 90 × 81/49 × 81 = 7290/3969 - Add the two like fractions:
294/3969 + 7290/3969 = 294 + 7290/3969 = 7584/3969 - 7584/3969 simplified gives 2528/1323
- So, 6/81 + 90/49 = 2528/1323
In mixed form: 11205/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/81+90/49 6/81+90/98 18/81+90/49 30/81+90/49 42/81+90/49