Add 10/12 and 45/28
1st number: 10/12, 2nd number: 1 17/28
10/12 + 45/28 is 205/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
45/28 = 45 × 3/28 × 3 = 135/84 - Add the two like fractions:
70/84 + 135/84 = 70 + 135/84 = 205/84 - So, 10/12 + 45/28 = 205/84
In mixed form: 237/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+45/28 10/12+90/28 10/24+45/28 10/12+45/56 30/12+45/28 10/36+45/28 10/12+45/84 50/12+45/28 10/60+45/28 70/12+45/28 10/84+45/28