Add 80/16 and 9/90
1st number: 5 0/16, 2nd number: 9/90
80/16 + 9/90 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
80/16 = 80 × 45/16 × 45 = 3600/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
9/90 = 9 × 8/90 × 8 = 72/720 - Add the two like fractions:
3600/720 + 72/720 = 3600 + 72/720 = 3672/720 - 3672/720 simplified gives 51/10
- So, 80/16 + 9/90 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+18/90 80/32+9/90 80/16+27/90 80/48+9/90 80/16+45/90 80/16+63/90