Add 9/30 and 1/81
9/30 + 1/81 is 253/810.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
9/30 = 9 × 27/30 × 27 = 243/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
1/81 = 1 × 10/81 × 10 = 10/810 - Add the two like fractions:
243/810 + 10/810 = 243 + 10/810 = 253/810 - So, 9/30 + 1/81 = 253/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+1/81 9/30+2/81 9/60+1/81 27/30+1/81 9/30+3/81 9/90+1/81 45/30+1/81 9/30+5/81 63/30+1/81 9/30+7/81