Add 12/45 and 9/10
12/45 + 9/10 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Add the two like fractions:
24/90 + 81/90 = 24 + 81/90 = 105/90 - 105/90 simplified gives 7/6
- So, 12/45 + 9/10 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+9/10 12/45+18/10 12/90+9/10 12/45+9/20 36/45+9/10 12/45+27/10 12/45+9/30 60/45+9/10 12/45+45/10 12/45+9/50 84/45+9/10 12/45+63/10 12/45+9/70