Add 60/90 and 90/12
1st number: 60/90, 2nd number: 7 6/12
60/90 + 90/12 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
60/90 = 60 × 2/90 × 2 = 120/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
90/12 = 90 × 15/12 × 15 = 1350/180 - Add the two like fractions:
120/180 + 1350/180 = 120 + 1350/180 = 1470/180 - 1470/180 simplified gives 49/6
- So, 60/90 + 90/12 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+90/24 60/90+90/36 60/90+90/60 60/90+90/84