Add 12/90 and 14/72
12/90 + 14/72 is 59/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
12/90 = 12 × 4/90 × 4 = 48/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
14/72 = 14 × 5/72 × 5 = 70/360 - Add the two like fractions:
48/360 + 70/360 = 48 + 70/360 = 118/360 - 118/360 simplified gives 59/180
- So, 12/90 + 14/72 = 59/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+14/72 12/90+28/72 36/90+14/72 12/90+42/72 60/90+14/72 12/90+70/72 84/90+14/72 12/90+98/72