Add 8/18 and 20/48
8/18 + 20/48 is 31/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
8/18 = 8 × 8/18 × 8 = 64/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Add the two like fractions:
64/144 + 60/144 = 64 + 60/144 = 124/144 - 124/144 simplified gives 31/36
- So, 8/18 + 20/48 = 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+20/48 8/18+40/48 8/36+20/48 8/18+20/96 24/18+20/48 8/18+60/48 8/54+20/48 40/18+20/48 8/90+20/48 56/18+20/48