Add 56/81 and 8/30
56/81 + 8/30 is 388/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
56/81 = 56 × 10/81 × 10 = 560/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
8/30 = 8 × 27/30 × 27 = 216/810 - Add the two like fractions:
560/810 + 216/810 = 560 + 216/810 = 776/810 - 776/810 simplified gives 388/405
- So, 56/81 + 8/30 = 388/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81+16/30 56/81+8/60 56/81+24/30 56/81+8/90 56/81+40/30 56/81+56/30