Add 90/16 and 35/18
1st number: 5 10/16, 2nd number: 1 17/18
90/16 + 35/18 is 545/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
35/18 = 35 × 8/18 × 8 = 280/144 - Add the two like fractions:
810/144 + 280/144 = 810 + 280/144 = 1090/144 - 1090/144 simplified gives 545/72
- So, 90/16 + 35/18 = 545/72
In mixed form: 741/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+70/18 90/32+35/18 90/16+35/36 90/48+35/18 90/16+35/54 90/80+35/18 90/16+35/90