Add 9/12 and 10/45
9/12 + 10/45 is 35/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
9/12 = 9 × 15/12 × 15 = 135/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180 - Add the two like fractions:
135/180 + 40/180 = 135 + 40/180 = 175/180 - 175/180 simplified gives 35/36
- So, 9/12 + 10/45 = 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+10/45 9/12+20/45 9/24+10/45 9/12+10/90 27/12+10/45 9/12+30/45 9/36+10/45 45/12+10/45 9/12+50/45 9/60+10/45 63/12+10/45 9/12+70/45 9/84+10/45