Add 18/8 and 90/32
1st number: 2 2/8, 2nd number: 2 26/32
18/8 + 90/32 is 81/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 32 is 32
Next, find the equivalent fraction of both fractional numbers with denominator 32 - For the 1st fraction, since 8 × 4 = 32,
18/8 = 18 × 4/8 × 4 = 72/32 - Likewise, for the 2nd fraction, since 32 × 1 = 32,
90/32 = 90 × 1/32 × 1 = 90/32 - Add the two like fractions:
72/32 + 90/32 = 72 + 90/32 = 162/32 - 162/32 simplified gives 81/16
- So, 18/8 + 90/32 = 81/16
In mixed form: 51/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+90/32 18/16+90/32 18/8+90/64 54/8+90/32 18/24+90/32 18/8+90/96 90/8+90/32 18/40+90/32 18/56+90/32