Add 18/80 and 7/12
18/80 + 7/12 is 97/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
18/80 = 18 × 3/80 × 3 = 54/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
7/12 = 7 × 20/12 × 20 = 140/240 - Add the two like fractions:
54/240 + 140/240 = 54 + 140/240 = 194/240 - 194/240 simplified gives 97/120
- So, 18/80 + 7/12 = 97/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80+7/12 18/80+14/12 18/80+7/24 54/80+7/12 18/80+21/12 18/80+7/36 90/80+7/12 18/80+35/12 18/80+7/60 18/80+49/12 18/80+7/84