Add 18/8 and 20/28
1st number: 2 2/8, 2nd number: 20/28
18/8 + 20/28 is 83/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
20/28 = 20 × 2/28 × 2 = 40/56 - Add the two like fractions:
126/56 + 40/56 = 126 + 40/56 = 166/56 - 166/56 simplified gives 83/28
- So, 18/8 + 20/28 = 83/28
In mixed form: 227/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+20/28 18/8+40/28 18/16+20/28 18/8+20/56 54/8+20/28 18/8+60/28 18/24+20/28 18/8+20/84 90/8+20/28 18/40+20/28 18/56+20/28