Add 49/81 and 12/54
49/81 + 12/54 is 67/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
49/81 = 49 × 2/81 × 2 = 98/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
12/54 = 12 × 3/54 × 3 = 36/162 - Add the two like fractions:
98/162 + 36/162 = 98 + 36/162 = 134/162 - 134/162 simplified gives 67/81
- So, 49/81 + 12/54 = 67/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/81+12/54 49/81+24/54 49/81+36/54 49/81+60/54 49/81+84/54