Add 1/28 and 45/18
1st number: 1/28, 2nd number: 2 9/18
1/28 + 45/18 is 71/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
1/28 = 1 × 9/28 × 9 = 9/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
45/18 = 45 × 14/18 × 14 = 630/252 - Add the two like fractions:
9/252 + 630/252 = 9 + 630/252 = 639/252 - 639/252 simplified gives 71/28
- So, 1/28 + 45/18 = 71/28
In mixed form: 215/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+45/18 1/28+90/18 1/56+45/18 1/28+45/36 3/28+45/18 1/84+45/18 1/28+45/54 5/28+45/18 1/28+45/90 7/28+45/18