Add 49/81 and 28/56
49/81 + 28/56 is 179/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
49/81 = 49 × 56/81 × 56 = 2744/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
28/56 = 28 × 81/56 × 81 = 2268/4536 - Add the two like fractions:
2744/4536 + 2268/4536 = 2744 + 2268/4536 = 5012/4536 - 5012/4536 simplified gives 179/162
- So, 49/81 + 28/56 = 179/162
In mixed form: 117/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/81+28/56 49/81+84/56