Add 10/12 and 7/45
10/12 + 7/45 is 89/90.
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,
10/12 = 10 × 15/12 × 15 = 150/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Add the two like fractions:
150/180 + 28/180 = 150 + 28/180 = 178/180 - 178/180 simplified gives 89/90
- So, 10/12 + 7/45 = 89/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+7/45 10/12+14/45 10/24+7/45 10/12+7/90 30/12+7/45 10/12+21/45 10/36+7/45 50/12+7/45 10/12+35/45 10/60+7/45 70/12+7/45 10/12+49/45 10/84+7/45