Add 20/24 and 1/28
20/24 + 1/28 is 73/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
1/28 = 1 × 6/28 × 6 = 6/168 - Add the two like fractions:
140/168 + 6/168 = 140 + 6/168 = 146/168 - 146/168 simplified gives 73/84
- So, 20/24 + 1/28 = 73/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+1/28 20/24+2/28 20/48+1/28 20/24+1/56 60/24+1/28 20/24+3/28 20/72+1/28 20/24+1/84 20/24+5/28 20/24+7/28