Add 3/80 and 12/18
3/80 + 12/18 is 169/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 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 18 × 40 = 720,
12/18 = 12 × 40/18 × 40 = 480/720 - Add the two like fractions:
27/720 + 480/720 = 27 + 480/720 = 507/720 - 507/720 simplified gives 169/240
- So, 3/80 + 12/18 = 169/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+12/18 3/80+24/18 3/80+12/36 9/80+12/18 3/80+36/18 3/80+12/54 15/80+12/18 3/80+60/18 3/80+12/90 21/80+12/18 3/80+84/18