Add 10/8 and 90/27
1st number: 1 2/8, 2nd number: 3 9/27
10/8 + 90/27 is 55/12.
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,
10/8 = 10 × 27/8 × 27 = 270/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
90/27 = 90 × 8/27 × 8 = 720/216 - Add the two like fractions:
270/216 + 720/216 = 270 + 720/216 = 990/216 - 990/216 simplified gives 55/12
- So, 10/8 + 90/27 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+90/27 10/16+90/27 10/8+90/54 30/8+90/27 10/24+90/27 10/8+90/81 50/8+90/27 10/40+90/27 70/8+90/27 10/56+90/27