Add 90/8 and 40/27
1st number: 11 2/8, 2nd number: 1 13/27
90/8 + 40/27 is 1375/108.
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,
90/8 = 90 × 27/8 × 27 = 2430/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
40/27 = 40 × 8/27 × 8 = 320/216 - Add the two like fractions:
2430/216 + 320/216 = 2430 + 320/216 = 2750/216 - 2750/216 simplified gives 1375/108
- So, 90/8 + 40/27 = 1375/108
In mixed form: 1279/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+80/27 90/16+40/27 90/8+40/54 90/24+40/27 90/8+40/81 90/40+40/27 90/56+40/27