Add 3/80 and 28/45
3/80 + 28/45 is 95/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
3/80 = 3 × 9/80 × 9 = 27/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
28/45 = 28 × 16/45 × 16 = 448/720 - Add the two like fractions:
27/720 + 448/720 = 27 + 448/720 = 475/720 - 475/720 simplified gives 95/144
- So, 3/80 + 28/45 = 95/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+28/45 3/80+56/45 3/80+28/90 9/80+28/45 3/80+84/45 15/80+28/45 21/80+28/45