Add 7/8 and 90/12
1st number: 7/8, 2nd number: 7 6/12
7/8 + 90/12 is 67/8.
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,
7/8 = 7 × 3/8 × 3 = 21/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
90/12 = 90 × 2/12 × 2 = 180/24 - Add the two like fractions:
21/24 + 180/24 = 21 + 180/24 = 201/24 - 201/24 simplified gives 67/8
- So, 7/8 + 90/12 = 67/8
In mixed form: 83/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+90/12 7/16+90/12 7/8+90/24 21/8+90/12 7/24+90/12 7/8+90/36 35/8+90/12 7/40+90/12 7/8+90/60 49/8+90/12 7/56+90/12 7/8+90/84