Add 1/18 and 90/64
1st number: 1/18, 2nd number: 1 26/64
1/18 + 90/64 is 421/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 18 × 32 = 576,
1/18 = 1 × 32/18 × 32 = 32/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
90/64 = 90 × 9/64 × 9 = 810/576 - Add the two like fractions:
32/576 + 810/576 = 32 + 810/576 = 842/576 - 842/576 simplified gives 421/288
- So, 1/18 + 90/64 = 421/288
In mixed form: 1133/288
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+90/64 1/36+90/64 3/18+90/64 1/54+90/64 5/18+90/64 1/90+90/64 7/18+90/64