Add 90/16 and 80/36
1st number: 5 10/16, 2nd number: 2 8/36
90/16 + 80/36 is 565/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 36 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 36 × 4 = 144,
80/36 = 80 × 4/36 × 4 = 320/144 - Add the two like fractions:
810/144 + 320/144 = 810 + 320/144 = 1130/144 - 1130/144 simplified gives 565/72
- So, 90/16 + 80/36 = 565/72
In mixed form: 761/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32+80/36 90/16+80/72 90/48+80/36 90/80+80/36