Add 12/80 and 9/14
12/80 + 9/14 is 111/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
12/80 = 12 × 7/80 × 7 = 84/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
9/14 = 9 × 40/14 × 40 = 360/560 - Add the two like fractions:
84/560 + 360/560 = 84 + 360/560 = 444/560 - 444/560 simplified gives 111/140
- So, 12/80 + 9/14 = 111/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/80+9/14 12/80+18/14 12/80+9/28 36/80+9/14 12/80+27/14 12/80+9/42 60/80+9/14 12/80+45/14 12/80+9/70 84/80+9/14 12/80+63/14 12/80+9/98