Add 12/45 and 10/12
12/45 + 10/12 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
10/12 = 10 × 15/12 × 15 = 150/180 - Add the two like fractions:
48/180 + 150/180 = 48 + 150/180 = 198/180 - 198/180 simplified gives 11/10
- So, 12/45 + 10/12 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+10/12 12/45+20/12 12/90+10/12 12/45+10/24 36/45+10/12 12/45+30/12 12/45+10/36 60/45+10/12 12/45+50/12 12/45+10/60 84/45+10/12 12/45+70/12 12/45+10/84