Add 28/8 and 40/27
1st number: 3 4/8, 2nd number: 1 13/27
28/8 + 40/27 is 269/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
28/8 = 28 × 27/8 × 27 = 756/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
40/27 = 40 × 8/27 × 8 = 320/216 - Add the two like fractions:
756/216 + 320/216 = 756 + 320/216 = 1076/216 - 1076/216 simplified gives 269/54
- So, 28/8 + 40/27 = 269/54
In mixed form: 453/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+40/27 28/8+80/27 28/16+40/27 28/8+40/54 84/8+40/27 28/24+40/27 28/8+40/81 28/40+40/27 28/56+40/27