Add 54/81 and 14/90
54/81 + 14/90 is 37/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 90 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
54/81 = 54 × 10/81 × 10 = 540/810 - Likewise, for the 2nd fraction, since 90 × 9 = 810,
14/90 = 14 × 9/90 × 9 = 126/810 - Add the two like fractions:
540/810 + 126/810 = 540 + 126/810 = 666/810 - 666/810 simplified gives 37/45
- So, 54/81 + 14/90 = 37/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/81+28/90 54/81+42/90 54/81+70/90 54/81+98/90