Add 90/12 and 2/90
1st number: 7 6/12, 2nd number: 2/90
90/12 + 2/90 is 677/90.
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,
90/12 = 90 × 15/12 × 15 = 1350/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
2/90 = 2 × 2/90 × 2 = 4/180 - Add the two like fractions:
1350/180 + 4/180 = 1350 + 4/180 = 1354/180 - 1354/180 simplified gives 677/90
- So, 90/12 + 2/90 = 677/90
In mixed form: 747/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+4/90 90/24+2/90 90/12+6/90 90/36+2/90 90/12+10/90 90/60+2/90 90/12+14/90 90/84+2/90