Add 4/12 and 14/90
4/12 + 14/90 is 22/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
4/12 = 4 × 15/12 × 15 = 60/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
14/90 = 14 × 2/90 × 2 = 28/180 - Add the two like fractions:
60/180 + 28/180 = 60 + 28/180 = 88/180 - 88/180 simplified gives 22/45
- So, 4/12 + 14/90 = 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+14/90 4/12+28/90 4/24+14/90 4/12+42/90 4/36+14/90 20/12+14/90 4/12+70/90 4/60+14/90 28/12+14/90 4/12+98/90 4/84+14/90