Add 90/12 and 14/45
1st number: 7 6/12, 2nd number: 14/45
90/12 + 14/45 is 703/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
90/12 = 90 × 15/12 × 15 = 1350/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
14/45 = 14 × 4/45 × 4 = 56/180 - Add the two like fractions:
1350/180 + 56/180 = 1350 + 56/180 = 1406/180 - 1406/180 simplified gives 703/90
- So, 90/12 + 14/45 = 703/90
In mixed form: 773/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+28/45 90/24+14/45 90/12+14/90 90/12+42/45 90/36+14/45 90/12+70/45 90/60+14/45 90/12+98/45 90/84+14/45