Add 28/90 and 60/16
1st number: 28/90, 2nd number: 3 12/16
28/90 + 60/16 is 731/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
28/90 = 28 × 8/90 × 8 = 224/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
60/16 = 60 × 45/16 × 45 = 2700/720 - Add the two like fractions:
224/720 + 2700/720 = 224 + 2700/720 = 2924/720 - 2924/720 simplified gives 731/180
- So, 28/90 + 60/16 = 731/180
In mixed form: 411/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+60/16 28/90+60/32 84/90+60/16 28/90+60/48 28/90+60/80