Add 45/80 and 2/12
45/80 + 2/12 is 35/48.
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,
45/80 = 45 × 3/80 × 3 = 135/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
2/12 = 2 × 20/12 × 20 = 40/240 - Add the two like fractions:
135/240 + 40/240 = 135 + 40/240 = 175/240 - 175/240 simplified gives 35/48
- So, 45/80 + 2/12 = 35/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+2/12 45/80+4/12 45/80+2/24 45/80+6/12 45/80+2/36 45/80+10/12 45/80+2/60 45/80+14/12 45/80+2/84