Add 20/28 and 45/14
1st number: 20/28, 2nd number: 3 3/14
20/28 + 45/14 is 55/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
45/14 = 45 × 2/14 × 2 = 90/28 - Add the two like fractions:
20/28 + 90/28 = 20 + 90/28 = 110/28 - 110/28 simplified gives 55/14
- So, 20/28 + 45/14 = 55/14
In mixed form: 313/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+45/14 20/28+90/14 20/56+45/14 20/28+45/28 60/28+45/14 20/84+45/14 20/28+45/42 20/28+45/70 20/28+45/98