Add 45/28 and 20/24
1st number: 1 17/28, 2nd number: 20/24
45/28 + 20/24 is 205/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
45/28 = 45 × 6/28 × 6 = 270/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
270/168 + 140/168 = 270 + 140/168 = 410/168 - 410/168 simplified gives 205/84
- So, 45/28 + 20/24 = 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: 90/28+20/24 45/28+40/24 45/56+20/24 45/28+20/48 45/28+60/24 45/84+20/24 45/28+20/72