Add 3/36 and 45/28
1st number: 3/36, 2nd number: 1 17/28
3/36 + 45/28 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Add the two like fractions:
21/252 + 405/252 = 21 + 405/252 = 426/252 - 426/252 simplified gives 71/42
- So, 3/36 + 45/28 = 71/42
In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36+45/28 3/36+90/28 3/72+45/28 3/36+45/56 9/36+45/28 3/36+45/84 15/36+45/28 21/36+45/28