Add 90/8 and 7/12
1st number: 11 2/8, 2nd number: 7/12
90/8 + 7/12 is 71/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
7/12 = 7 × 2/12 × 2 = 14/24 - Add the two like fractions:
270/24 + 14/24 = 270 + 14/24 = 284/24 - 284/24 simplified gives 71/6
- So, 90/8 + 7/12 = 71/6
In mixed form: 115/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+14/12 90/16+7/12 90/8+7/24 90/8+21/12 90/24+7/12 90/8+7/36 90/8+35/12 90/40+7/12 90/8+7/60 90/8+49/12 90/56+7/12 90/8+7/84