Add 18/54 and 90/64
1st number: 18/54, 2nd number: 1 26/64
18/54 + 90/64 is 167/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 64 is 1728
Next, find the equivalent fraction of both fractional numbers with denominator 1728 - For the 1st fraction, since 54 × 32 = 1728,
18/54 = 18 × 32/54 × 32 = 576/1728 - Likewise, for the 2nd fraction, since 64 × 27 = 1728,
90/64 = 90 × 27/64 × 27 = 2430/1728 - Add the two like fractions:
576/1728 + 2430/1728 = 576 + 2430/1728 = 3006/1728 - 3006/1728 simplified gives 167/96
- So, 18/54 + 90/64 = 167/96
In mixed form: 171/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+90/64 90/54+90/64