Add 3/12 and 49/90
3/12 + 49/90 is 143/180.
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,
3/12 = 3 × 15/12 × 15 = 45/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
49/90 = 49 × 2/90 × 2 = 98/180 - Add the two like fractions:
45/180 + 98/180 = 45 + 98/180 = 143/180 - So, 3/12 + 49/90 = 143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+49/90 3/12+98/90 3/24+49/90 9/12+49/90 3/36+49/90 15/12+49/90 3/60+49/90 21/12+49/90 3/84+49/90