Add 2/81 and 45/49
2/81 + 45/49 is 3743/3969.
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,
2/81 = 2 × 49/81 × 49 = 98/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
45/49 = 45 × 81/49 × 81 = 3645/3969 - Add the two like fractions:
98/3969 + 3645/3969 = 98 + 3645/3969 = 3743/3969 - So, 2/81 + 45/49 = 3743/3969
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81+45/49 2/81+90/49 2/81+45/98 6/81+45/49 10/81+45/49 14/81+45/49