Add 96/90 and 21/12
1st number: 1 6/90, 2nd number: 1 9/12
96/90 + 21/12 is 169/60.
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,
96/90 = 96 × 2/90 × 2 = 192/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
21/12 = 21 × 15/12 × 15 = 315/180 - Add the two like fractions:
192/180 + 315/180 = 192 + 315/180 = 507/180 - 507/180 simplified gives 169/60
- So, 96/90 + 21/12 = 169/60
In mixed form: 249/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+42/12 96/90+21/24 96/90+63/12 96/90+21/36 96/90+21/60 96/90+21/84