Add 81/27 and 30/8
1st number: 3 0/27, 2nd number: 3 6/8
81/27 + 30/8 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
81/27 = 81 × 8/27 × 8 = 648/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
30/8 = 30 × 27/8 × 27 = 810/216 - Add the two like fractions:
648/216 + 810/216 = 648 + 810/216 = 1458/216 - 1458/216 simplified gives 27/4
- So, 81/27 + 30/8 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/27+60/8 81/54+30/8 81/27+30/16 81/27+90/8 81/27+30/24 81/27+30/40 81/27+30/56